Home / 238,758.10-329,479.31-131,328.13

Finding the Fourth Proportional to 238,758.10, 329,479.31 and 131,328.13

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Solution

The fourth proportional to 238,758.10, 329,479.31 and 131,328.13 is: 181,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,758.10 : 329,479.31 = 131,328.13 : x
  2. Step 2: Convert to fraction form
    238,758.10/329,479.31 = 131,328.13/x
  3. Step 3: Cross multiply
    238,758.10x = 329,479.31 × 131,328.13
  4. Step 4: Simplify right side
    238,758.10x = 43,269,901,411.20
  5. Step 5: Solve for x
    x = 43,269,901,411.20/238,758.10
  6. Step 6: Final answer
    x = 181,229.04

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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.