Home / 238,635.81-329,314.46-131,204.90

Finding the Fourth Proportional to 238,635.81, 329,314.46 and 131,204.90

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Solution

The fourth proportional to 238,635.81, 329,314.46 and 131,204.90 is: 181,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,635.81 : 329,314.46 = 131,204.90 : x
  2. Step 2: Convert to fraction form
    238,635.81/329,314.46 = 131,204.90/x
  3. Step 3: Cross multiply
    238,635.81x = 329,314.46 × 131,204.90
  4. Step 4: Simplify right side
    238,635.81x = 43,207,668,490.26
  5. Step 5: Solve for x
    x = 43,207,668,490.26/238,635.81
  6. Step 6: Final answer
    x = 181,061.13

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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.