Home / 238,951.17-329,752.70-131,520.43

Finding the Fourth Proportional to 238,951.17, 329,752.70 and 131,520.43

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Solution

The fourth proportional to 238,951.17, 329,752.70 and 131,520.43 is: 181,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,951.17 : 329,752.70 = 131,520.43 : x
  2. Step 2: Convert to fraction form
    238,951.17/329,752.70 = 131,520.43/x
  3. Step 3: Cross multiply
    238,951.17x = 329,752.70 × 131,520.43
  4. Step 4: Simplify right side
    238,951.17x = 43,369,216,897.66
  5. Step 5: Solve for x
    x = 43,369,216,897.66/238,951.17
  6. Step 6: Final answer
    x = 181,498.24

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1.5x scale

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.