Home / 196,100.40-293,940-77,607.12

Finding the Fourth Proportional to 196,100.40, 293,940 and 77,607.12

Calculator

Solution

The fourth proportional to 196,100.40, 293,940 and 77,607.12 is: 116,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,100.40 : 293,940 = 77,607.12 : x
  2. Step 2: Convert to fraction form
    196,100.40/293,940 = 77,607.12/x
  3. Step 3: Cross multiply
    196,100.40x = 293,940 × 77,607.12
  4. Step 4: Simplify right side
    196,100.40x = 22,811,836,852.80
  5. Step 5: Solve for x
    x = 22,811,836,852.80/196,100.40
  6. Step 6: Final answer
    x = 116,327.33

Related Problems

Find fourth proportional to 98,050.20, 146,970 and 38,803.56
Half scale
Find fourth proportional to 392,200.80, 587,880 and 155,214.24
Double scale
Find fourth proportional to 196,101.40, 293,941.50 and 77,608.12
Similar ratio
Find fourth proportional to 294,150.60, 440,910 and 116,410.68
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.