Home / 238,577.18-329,236.88-131,147.88

Finding the Fourth Proportional to 238,577.18, 329,236.88 and 131,147.88

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Solution

The fourth proportional to 238,577.18, 329,236.88 and 131,147.88 is: 180,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,577.18 : 329,236.88 = 131,147.88 : x
  2. Step 2: Convert to fraction form
    238,577.18/329,236.88 = 131,147.88/x
  3. Step 3: Cross multiply
    238,577.18x = 329,236.88 × 131,147.88
  4. Step 4: Simplify right side
    238,577.18x = 43,178,718,829.81
  5. Step 5: Solve for x
    x = 43,178,718,829.81/238,577.18
  6. Step 6: Final answer
    x = 180,984.28

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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.