Home / 238,876.47-329,651.09-131,443.74

Finding the Fourth Proportional to 238,876.47, 329,651.09 and 131,443.74

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Solution

The fourth proportional to 238,876.47, 329,651.09 and 131,443.74 is: 181,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,876.47 : 329,651.09 = 131,443.74 : x
  2. Step 2: Convert to fraction form
    238,876.47/329,651.09 = 131,443.74/x
  3. Step 3: Cross multiply
    238,876.47x = 329,651.09 × 131,443.74
  4. Step 4: Simplify right side
    238,876.47x = 43,330,572,164.68
  5. Step 5: Solve for x
    x = 43,330,572,164.68/238,876.47
  6. Step 6: Final answer
    x = 181,393.22

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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.