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Finding the Fourth Proportional to 125,935.90, 188,750.76 and 59,298.01

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Solution

The fourth proportional to 125,935.90, 188,750.76 and 59,298.01 is: 88,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,935.90 : 188,750.76 = 59,298.01 : x
  2. Step 2: Convert to fraction form
    125,935.90/188,750.76 = 59,298.01/x
  3. Step 3: Cross multiply
    125,935.90x = 188,750.76 × 59,298.01
  4. Step 4: Simplify right side
    125,935.90x = 11,192,543,759.74
  5. Step 5: Solve for x
    x = 11,192,543,759.74/125,935.90
  6. Step 6: Final answer
    x = 88,874.93

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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.