Home / 238,549.96-329,199.78-131,129.32

Finding the Fourth Proportional to 238,549.96, 329,199.78 and 131,129.32

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Solution

The fourth proportional to 238,549.96, 329,199.78 and 131,129.32 is: 180,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,549.96 : 329,199.78 = 131,129.32 : x
  2. Step 2: Convert to fraction form
    238,549.96/329,199.78 = 131,129.32/x
  3. Step 3: Cross multiply
    238,549.96x = 329,199.78 × 131,129.32
  4. Step 4: Simplify right side
    238,549.96x = 43,167,743,295.55
  5. Step 5: Solve for x
    x = 43,167,743,295.55/238,549.96
  6. Step 6: Final answer
    x = 180,958.92

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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.