Home / 238,777.08-329,508.88-131,340.72

Finding the Fourth Proportional to 238,777.08, 329,508.88 and 131,340.72

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Solution

The fourth proportional to 238,777.08, 329,508.88 and 131,340.72 is: 181,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,777.08 : 329,508.88 = 131,340.72 : x
  2. Step 2: Convert to fraction form
    238,777.08/329,508.88 = 131,340.72/x
  3. Step 3: Cross multiply
    238,777.08x = 329,508.88 × 131,340.72
  4. Step 4: Simplify right side
    238,777.08x = 43,277,933,545.59
  5. Step 5: Solve for x
    x = 43,277,933,545.59/238,777.08
  6. Step 6: Final answer
    x = 181,248.27

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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.