Home / 125,747.78-188,618.93-59,151

Finding the Fourth Proportional to 125,747.78, 188,618.93 and 59,151

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Solution

The fourth proportional to 125,747.78, 188,618.93 and 59,151 is: 88,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,747.78 : 188,618.93 = 59,151 : x
  2. Step 2: Convert to fraction form
    125,747.78/188,618.93 = 59,151/x
  3. Step 3: Cross multiply
    125,747.78x = 188,618.93 × 59,151
  4. Step 4: Simplify right side
    125,747.78x = 11,156,998,328.43
  5. Step 5: Solve for x
    x = 11,156,998,328.43/125,747.78
  6. Step 6: Final answer
    x = 88,725.21

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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.