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Finding the Fourth Proportional to 187,850.52, 259,230.78 and 101,807.46

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Solution

The fourth proportional to 187,850.52, 259,230.78 and 101,807.46 is: 140,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,850.52 : 259,230.78 = 101,807.46 : x
  2. Step 2: Convert to fraction form
    187,850.52/259,230.78 = 101,807.46/x
  3. Step 3: Cross multiply
    187,850.52x = 259,230.78 × 101,807.46
  4. Step 4: Simplify right side
    187,850.52x = 26,391,627,265.62
  5. Step 5: Solve for x
    x = 26,391,627,265.62/187,850.52
  6. Step 6: Final answer
    x = 140,492.70

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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.