Home / 133,417.29-200,155.11-39,915.75

Finding the Fourth Proportional to 133,417.29, 200,155.11 and 39,915.75

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Solution

The fourth proportional to 133,417.29, 200,155.11 and 39,915.75 is: 59,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,417.29 : 200,155.11 = 39,915.75 : x
  2. Step 2: Convert to fraction form
    133,417.29/200,155.11 = 39,915.75/x
  3. Step 3: Cross multiply
    133,417.29x = 200,155.11 × 39,915.75
  4. Step 4: Simplify right side
    133,417.29x = 7,989,341,331.98
  5. Step 5: Solve for x
    x = 7,989,341,331.98/133,417.29
  6. Step 6: Final answer
    x = 59,882.35

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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.