Home / 238,422.72-329,031.20-131,000.52

Finding the Fourth Proportional to 238,422.72, 329,031.20 and 131,000.52

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Solution

The fourth proportional to 238,422.72, 329,031.20 and 131,000.52 is: 180,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,422.72 : 329,031.20 = 131,000.52 : x
  2. Step 2: Convert to fraction form
    238,422.72/329,031.20 = 131,000.52/x
  3. Step 3: Cross multiply
    238,422.72x = 329,031.20 × 131,000.52
  4. Step 4: Simplify right side
    238,422.72x = 43,103,258,296.22
  5. Step 5: Solve for x
    x = 43,103,258,296.22/238,422.72
  6. Step 6: Final answer
    x = 180,785.03

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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.