Home / 187,499.20-258,674.88-115,754.72

Finding the Fourth Proportional to 187,499.20, 258,674.88 and 115,754.72

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Solution

The fourth proportional to 187,499.20, 258,674.88 and 115,754.72 is: 159,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,499.20 : 258,674.88 = 115,754.72 : x
  2. Step 2: Convert to fraction form
    187,499.20/258,674.88 = 115,754.72/x
  3. Step 3: Cross multiply
    187,499.20x = 258,674.88 × 115,754.72
  4. Step 4: Simplify right side
    187,499.20x = 29,942,838,305.43
  5. Step 5: Solve for x
    x = 29,942,838,305.43/187,499.20
  6. Step 6: Final answer
    x = 159,695.82

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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.