Home / 187,319.10-258,505.08-102,442.44

Finding the Fourth Proportional to 187,319.10, 258,505.08 and 102,442.44

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Solution

The fourth proportional to 187,319.10, 258,505.08 and 102,442.44 is: 141,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,319.10 : 258,505.08 = 102,442.44 : x
  2. Step 2: Convert to fraction form
    187,319.10/258,505.08 = 102,442.44/x
  3. Step 3: Cross multiply
    187,319.10x = 258,505.08 × 102,442.44
  4. Step 4: Simplify right side
    187,319.10x = 26,481,891,147.60
  5. Step 5: Solve for x
    x = 26,481,891,147.60/187,319.10
  6. Step 6: Final answer
    x = 141,373.15

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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.