Home / 136,996-205,494-38,500

Finding the Fourth Proportional to 136,996, 205,494 and 38,500

Calculator

Solution

The fourth proportional to 136,996, 205,494 and 38,500 is: 57,750

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,996 : 205,494 = 38,500 : x
  2. Step 2: Convert to fraction form
    136,996/205,494 = 38,500/x
  3. Step 3: Cross multiply
    136,996x = 205,494 × 38,500
  4. Step 4: Simplify right side
    136,996x = 7,911,519,000
  5. Step 5: Solve for x
    x = 7,911,519,000/136,996
  6. Step 6: Final answer
    x = 57,750

Related Problems

Find fourth proportional to 68,498, 102,747 and 19,250
Half scale
Find fourth proportional to 273,992, 410,988 and 77,000
Double scale
Find fourth proportional to 136,997, 205,495.50 and 38,501
Similar ratio
Find fourth proportional to 205,494, 308,241 and 57,750
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.