Home / 238,963.48-329,767-131,531.20

Finding the Fourth Proportional to 238,963.48, 329,767 and 131,531.20

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Solution

The fourth proportional to 238,963.48, 329,767 and 131,531.20 is: 181,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,963.48 : 329,767 = 131,531.20 : x
  2. Step 2: Convert to fraction form
    238,963.48/329,767 = 131,531.20/x
  3. Step 3: Cross multiply
    238,963.48x = 329,767 × 131,531.20
  4. Step 4: Simplify right side
    238,963.48x = 43,374,649,230.40
  5. Step 5: Solve for x
    x = 43,374,649,230.40/238,963.48
  6. Step 6: Final answer
    x = 181,511.62

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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.