Home / 132,391.20-182,699.52-71,961.84

Finding the Fourth Proportional to 132,391.20, 182,699.52 and 71,961.84

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Solution

The fourth proportional to 132,391.20, 182,699.52 and 71,961.84 is: 99,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,391.20 : 182,699.52 = 71,961.84 : x
  2. Step 2: Convert to fraction form
    132,391.20/182,699.52 = 71,961.84/x
  3. Step 3: Cross multiply
    132,391.20x = 182,699.52 × 71,961.84
  4. Step 4: Simplify right side
    132,391.20x = 13,147,393,626.32
  5. Step 5: Solve for x
    x = 13,147,393,626.32/132,391.20
  6. Step 6: Final answer
    x = 99,307.16

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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.