Home / 187,789.19-281,565.23-103,608.03

Finding the Fourth Proportional to 187,789.19, 281,565.23 and 103,608.03

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Solution

The fourth proportional to 187,789.19, 281,565.23 and 103,608.03 is: 155,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,789.19 : 281,565.23 = 103,608.03 : x
  2. Step 2: Convert to fraction form
    187,789.19/281,565.23 = 103,608.03/x
  3. Step 3: Cross multiply
    187,789.19x = 281,565.23 × 103,608.03
  4. Step 4: Simplify right side
    187,789.19x = 29,172,418,278.76
  5. Step 5: Solve for x
    x = 29,172,418,278.76/187,789.19
  6. Step 6: Final answer
    x = 155,346.63

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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.