Home / 132,537.12-198,763.56-43,774.08

Finding the Fourth Proportional to 132,537.12, 198,763.56 and 43,774.08

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Solution

The fourth proportional to 132,537.12, 198,763.56 and 43,774.08 is: 65,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,537.12 : 198,763.56 = 43,774.08 : x
  2. Step 2: Convert to fraction form
    132,537.12/198,763.56 = 43,774.08/x
  3. Step 3: Cross multiply
    132,537.12x = 198,763.56 × 43,774.08
  4. Step 4: Simplify right side
    132,537.12x = 8,700,691,976.52
  5. Step 5: Solve for x
    x = 8,700,691,976.52/132,537.12
  6. Step 6: Final answer
    x = 65,647.21

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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.