Home / 125,397.09-173,073.17-85,123.94

Finding the Fourth Proportional to 125,397.09, 173,073.17 and 85,123.94

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Solution

The fourth proportional to 125,397.09, 173,073.17 and 85,123.94 is: 117,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,397.09 : 173,073.17 = 85,123.94 : x
  2. Step 2: Convert to fraction form
    125,397.09/173,073.17 = 85,123.94/x
  3. Step 3: Cross multiply
    125,397.09x = 173,073.17 × 85,123.94
  4. Step 4: Simplify right side
    125,397.09x = 14,732,669,486.13
  5. Step 5: Solve for x
    x = 14,732,669,486.13/125,397.09
  6. Step 6: Final answer
    x = 117,488.13

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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.