Home / 158,845.43-219,207.29-86,248.43

Finding the Fourth Proportional to 158,845.43, 219,207.29 and 86,248.43

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Solution

The fourth proportional to 158,845.43, 219,207.29 and 86,248.43 is: 119,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,845.43 : 219,207.29 = 86,248.43 : x
  2. Step 2: Convert to fraction form
    158,845.43/219,207.29 = 86,248.43/x
  3. Step 3: Cross multiply
    158,845.43x = 219,207.29 × 86,248.43
  4. Step 4: Simplify right side
    158,845.43x = 18,906,283,079.78
  5. Step 5: Solve for x
    x = 18,906,283,079.78/158,845.43
  6. Step 6: Final answer
    x = 119,023.15

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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.