Home / 125,429.10-173,092.20-71,715.16

Finding the Fourth Proportional to 125,429.10, 173,092.20 and 71,715.16

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Solution

The fourth proportional to 125,429.10, 173,092.20 and 71,715.16 is: 98,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,429.10 : 173,092.20 = 71,715.16 : x
  2. Step 2: Convert to fraction form
    125,429.10/173,092.20 = 71,715.16/x
  3. Step 3: Cross multiply
    125,429.10x = 173,092.20 × 71,715.16
  4. Step 4: Simplify right side
    125,429.10x = 12,413,334,817.75
  5. Step 5: Solve for x
    x = 12,413,334,817.75/125,429.10
  6. Step 6: Final answer
    x = 98,966.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.