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Finding the Fourth Proportional to 187,770.28, 259,126.28 and 102,882.28

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Solution

The fourth proportional to 187,770.28, 259,126.28 and 102,882.28 is: 141,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,770.28 : 259,126.28 = 102,882.28 : x
  2. Step 2: Convert to fraction form
    187,770.28/259,126.28 = 102,882.28/x
  3. Step 3: Cross multiply
    187,770.28x = 259,126.28 × 102,882.28
  4. Step 4: Simplify right side
    187,770.28x = 26,659,502,494.32
  5. Step 5: Solve for x
    x = 26,659,502,494.32/187,770.28
  6. Step 6: Final answer
    x = 141,979.35

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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.