Home / 238,548.60-329,205.72-131,126.80

Finding the Fourth Proportional to 238,548.60, 329,205.72 and 131,126.80

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Solution

The fourth proportional to 238,548.60, 329,205.72 and 131,126.80 is: 180,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,548.60 : 329,205.72 = 131,126.80 : x
  2. Step 2: Convert to fraction form
    238,548.60/329,205.72 = 131,126.80/x
  3. Step 3: Cross multiply
    238,548.60x = 329,205.72 × 131,126.80
  4. Step 4: Simplify right side
    238,548.60x = 43,167,692,605.30
  5. Step 5: Solve for x
    x = 43,167,692,605.30/238,548.60
  6. Step 6: Final answer
    x = 180,959.74

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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.