Home / 154,489.06-231,691.74-54,636.04

Finding the Fourth Proportional to 154,489.06, 231,691.74 and 54,636.04

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Solution

The fourth proportional to 154,489.06, 231,691.74 and 54,636.04 is: 81,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,489.06 : 231,691.74 = 54,636.04 : x
  2. Step 2: Convert to fraction form
    154,489.06/231,691.74 = 54,636.04/x
  3. Step 3: Cross multiply
    154,489.06x = 231,691.74 × 54,636.04
  4. Step 4: Simplify right side
    154,489.06x = 12,658,719,174.31
  5. Step 5: Solve for x
    x = 12,658,719,174.31/154,489.06
  6. Step 6: Final answer
    x = 81,939.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.