Home / 237,081.17-327,172.89-129,651.18

Finding the Fourth Proportional to 237,081.17, 327,172.89 and 129,651.18

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Solution

The fourth proportional to 237,081.17, 327,172.89 and 129,651.18 is: 178,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,081.17 : 327,172.89 = 129,651.18 : x
  2. Step 2: Convert to fraction form
    237,081.17/327,172.89 = 129,651.18/x
  3. Step 3: Cross multiply
    237,081.17x = 327,172.89 × 129,651.18
  4. Step 4: Simplify right side
    237,081.17x = 42,418,351,252.51
  5. Step 5: Solve for x
    x = 42,418,351,252.51/237,081.17
  6. Step 6: Final answer
    x = 178,919.11

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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.