Home / 187,979.17-259,387.35-107,411.92

Finding the Fourth Proportional to 187,979.17, 259,387.35 and 107,411.92

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Solution

The fourth proportional to 187,979.17, 259,387.35 and 107,411.92 is: 148,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,979.17 : 259,387.35 = 107,411.92 : x
  2. Step 2: Convert to fraction form
    187,979.17/259,387.35 = 107,411.92/x
  3. Step 3: Cross multiply
    187,979.17x = 259,387.35 × 107,411.92
  4. Step 4: Simplify right side
    187,979.17x = 27,861,293,287.21
  5. Step 5: Solve for x
    x = 27,861,293,287.21/187,979.17
  6. Step 6: Final answer
    x = 148,214.79

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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.