Home / 238,710.18-329,421.24-131,287.08

Finding the Fourth Proportional to 238,710.18, 329,421.24 and 131,287.08

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Solution

The fourth proportional to 238,710.18, 329,421.24 and 131,287.08 is: 181,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,710.18 : 329,421.24 = 131,287.08 : x
  2. Step 2: Convert to fraction form
    238,710.18/329,421.24 = 131,287.08/x
  3. Step 3: Cross multiply
    238,710.18x = 329,421.24 × 131,287.08
  4. Step 4: Simplify right side
    238,710.18x = 43,248,752,689.58
  5. Step 5: Solve for x
    x = 43,248,752,689.58/238,710.18
  6. Step 6: Final answer
    x = 181,176.83

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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.