Home / 81,994.64-122,992-63,302

Finding the Fourth Proportional to 81,994.64, 122,992 and 63,302

Calculator

Solution

The fourth proportional to 81,994.64, 122,992 and 63,302 is: 94,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,994.64 : 122,992 = 63,302 : x
  2. Step 2: Convert to fraction form
    81,994.64/122,992 = 63,302/x
  3. Step 3: Cross multiply
    81,994.64x = 122,992 × 63,302
  4. Step 4: Simplify right side
    81,994.64x = 7,785,639,584
  5. Step 5: Solve for x
    x = 7,785,639,584/81,994.64
  6. Step 6: Final answer
    x = 94,953.03

Related Problems

Find fourth proportional to 40,997.32, 61,496 and 31,651
Half scale
Find fourth proportional to 163,989.28, 245,984 and 126,604
Double scale
Find fourth proportional to 81,995.64, 122,993.50 and 63,303
Similar ratio
Find fourth proportional to 122,991.96, 184,488 and 94,953
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.