Home / 187,279.52-258,445.84-102,397.28

Finding the Fourth Proportional to 187,279.52, 258,445.84 and 102,397.28

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Solution

The fourth proportional to 187,279.52, 258,445.84 and 102,397.28 is: 141,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,279.52 : 258,445.84 = 102,397.28 : x
  2. Step 2: Convert to fraction form
    187,279.52/258,445.84 = 102,397.28/x
  3. Step 3: Cross multiply
    187,279.52x = 258,445.84 × 102,397.28
  4. Step 4: Simplify right side
    187,279.52x = 26,464,151,043.32
  5. Step 5: Solve for x
    x = 26,464,151,043.32/187,279.52
  6. Step 6: Final answer
    x = 141,308.30

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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.