Home / 187,434.56-258,663.84-102,551.60

Finding the Fourth Proportional to 187,434.56, 258,663.84 and 102,551.60

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Solution

The fourth proportional to 187,434.56, 258,663.84 and 102,551.60 is: 141,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,434.56 : 258,663.84 = 102,551.60 : x
  2. Step 2: Convert to fraction form
    187,434.56/258,663.84 = 102,551.60/x
  3. Step 3: Cross multiply
    187,434.56x = 258,663.84 × 102,551.60
  4. Step 4: Simplify right side
    187,434.56x = 26,526,390,654.14
  5. Step 5: Solve for x
    x = 26,526,390,654.14/187,434.56
  6. Step 6: Final answer
    x = 141,523.48

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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.