Home / 187,422.30-258,642.45-102,539.16

Finding the Fourth Proportional to 187,422.30, 258,642.45 and 102,539.16

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Solution

The fourth proportional to 187,422.30, 258,642.45 and 102,539.16 is: 141,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,422.30 : 258,642.45 = 102,539.16 : x
  2. Step 2: Convert to fraction form
    187,422.30/258,642.45 = 102,539.16/x
  3. Step 3: Cross multiply
    187,422.30x = 258,642.45 × 102,539.16
  4. Step 4: Simplify right side
    187,422.30x = 26,520,979,563.34
  5. Step 5: Solve for x
    x = 26,520,979,563.34/187,422.30
  6. Step 6: Final answer
    x = 141,503.86

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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.