Home / 129,737.46-194,545.71-67,391.22

Finding the Fourth Proportional to 129,737.46, 194,545.71 and 67,391.22

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Solution

The fourth proportional to 129,737.46, 194,545.71 and 67,391.22 is: 101,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,737.46 : 194,545.71 = 67,391.22 : x
  2. Step 2: Convert to fraction form
    129,737.46/194,545.71 = 67,391.22/x
  3. Step 3: Cross multiply
    129,737.46x = 194,545.71 × 67,391.22
  4. Step 4: Simplify right side
    129,737.46x = 13,110,672,742.67
  5. Step 5: Solve for x
    x = 13,110,672,742.67/129,737.46
  6. Step 6: Final answer
    x = 101,055.41

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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.