Home / 133,036.10-199,554.15-115,151.30

Finding the Fourth Proportional to 133,036.10, 199,554.15 and 115,151.30

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Solution

The fourth proportional to 133,036.10, 199,554.15 and 115,151.30 is: 172,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,036.10 : 199,554.15 = 115,151.30 : x
  2. Step 2: Convert to fraction form
    133,036.10/199,554.15 = 115,151.30/x
  3. Step 3: Cross multiply
    133,036.10x = 199,554.15 × 115,151.30
  4. Step 4: Simplify right side
    133,036.10x = 22,978,919,792.90
  5. Step 5: Solve for x
    x = 22,978,919,792.90/133,036.10
  6. Step 6: Final answer
    x = 172,726.95

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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.