Home / 238,577.62-329,238.18-131,154.57

Finding the Fourth Proportional to 238,577.62, 329,238.18 and 131,154.57

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Solution

The fourth proportional to 238,577.62, 329,238.18 and 131,154.57 is: 180,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,577.62 : 329,238.18 = 131,154.57 : x
  2. Step 2: Convert to fraction form
    238,577.62/329,238.18 = 131,154.57/x
  3. Step 3: Cross multiply
    238,577.62x = 329,238.18 × 131,154.57
  4. Step 4: Simplify right side
    238,577.62x = 43,181,090,353.97
  5. Step 5: Solve for x
    x = 43,181,090,353.97/238,577.62
  6. Step 6: Final answer
    x = 180,993.89

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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.