Home / 238,531.24-329,173.80-131,112.28

Finding the Fourth Proportional to 238,531.24, 329,173.80 and 131,112.28

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Solution

The fourth proportional to 238,531.24, 329,173.80 and 131,112.28 is: 180,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,531.24 : 329,173.80 = 131,112.28 : x
  2. Step 2: Convert to fraction form
    238,531.24/329,173.80 = 131,112.28/x
  3. Step 3: Cross multiply
    238,531.24x = 329,173.80 × 131,112.28
  4. Step 4: Simplify right side
    238,531.24x = 43,158,727,434.26
  5. Step 5: Solve for x
    x = 43,158,727,434.26/238,531.24
  6. Step 6: Final answer
    x = 180,935.33

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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.