Home / 125,932.92-173,731.26-85,083.94

Finding the Fourth Proportional to 125,932.92, 173,731.26 and 85,083.94

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Solution

The fourth proportional to 125,932.92, 173,731.26 and 85,083.94 is: 117,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,932.92 : 173,731.26 = 85,083.94 : x
  2. Step 2: Convert to fraction form
    125,932.92/173,731.26 = 85,083.94/x
  3. Step 3: Cross multiply
    125,932.92x = 173,731.26 × 85,083.94
  4. Step 4: Simplify right side
    125,932.92x = 14,781,740,101.96
  5. Step 5: Solve for x
    x = 14,781,740,101.96/125,932.92
  6. Step 6: Final answer
    x = 117,377.89

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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.