Home / 125,747.28-173,602.98-83,363.22

Finding the Fourth Proportional to 125,747.28, 173,602.98 and 83,363.22

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Solution

The fourth proportional to 125,747.28, 173,602.98 and 83,363.22 is: 115,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,747.28 : 173,602.98 = 83,363.22 : x
  2. Step 2: Convert to fraction form
    125,747.28/173,602.98 = 83,363.22/x
  3. Step 3: Cross multiply
    125,747.28x = 173,602.98 × 83,363.22
  4. Step 4: Simplify right side
    125,747.28x = 14,472,103,414.40
  5. Step 5: Solve for x
    x = 14,472,103,414.40/125,747.28
  6. Step 6: Final answer
    x = 115,088.80

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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.