Home / 238,988.13-329,815.45-131,557.02

Finding the Fourth Proportional to 238,988.13, 329,815.45 and 131,557.02

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Solution

The fourth proportional to 238,988.13, 329,815.45 and 131,557.02 is: 181,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,988.13 : 329,815.45 = 131,557.02 : x
  2. Step 2: Convert to fraction form
    238,988.13/329,815.45 = 131,557.02/x
  3. Step 3: Cross multiply
    238,988.13x = 329,815.45 × 131,557.02
  4. Step 4: Simplify right side
    238,988.13x = 43,389,537,751.96
  5. Step 5: Solve for x
    x = 43,389,537,751.96/238,988.13
  6. Step 6: Final answer
    x = 181,555.20

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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.