Home / 238,517.80-329,157.33-131,088.01

Finding the Fourth Proportional to 238,517.80, 329,157.33 and 131,088.01

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Solution

The fourth proportional to 238,517.80, 329,157.33 and 131,088.01 is: 180,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,517.80 : 329,157.33 = 131,088.01 : x
  2. Step 2: Convert to fraction form
    238,517.80/329,157.33 = 131,088.01/x
  3. Step 3: Cross multiply
    238,517.80x = 329,157.33 × 131,088.01
  4. Step 4: Simplify right side
    238,517.80x = 43,148,579,366.61
  5. Step 5: Solve for x
    x = 43,148,579,366.61/238,517.80
  6. Step 6: Final answer
    x = 180,902.97

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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.