Home / 238,632.02-329,318.69-129,743.72

Finding the Fourth Proportional to 238,632.02, 329,318.69 and 129,743.72

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Solution

The fourth proportional to 238,632.02, 329,318.69 and 129,743.72 is: 179,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,632.02 : 329,318.69 = 129,743.72 : x
  2. Step 2: Convert to fraction form
    238,632.02/329,318.69 = 129,743.72/x
  3. Step 3: Cross multiply
    238,632.02x = 329,318.69 × 129,743.72
  4. Step 4: Simplify right side
    238,632.02x = 42,727,029,610.81
  5. Step 5: Solve for x
    x = 42,727,029,610.81/238,632.02
  6. Step 6: Final answer
    x = 179,049.86

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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.