Home / 132,546.06-182,912.15-78,829.90

Finding the Fourth Proportional to 132,546.06, 182,912.15 and 78,829.90

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Solution

The fourth proportional to 132,546.06, 182,912.15 and 78,829.90 is: 108,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,546.06 : 182,912.15 = 78,829.90 : x
  2. Step 2: Convert to fraction form
    132,546.06/182,912.15 = 78,829.90/x
  3. Step 3: Cross multiply
    132,546.06x = 182,912.15 × 78,829.90
  4. Step 4: Simplify right side
    132,546.06x = 14,418,946,493.29
  5. Step 5: Solve for x
    x = 14,418,946,493.29/132,546.06
  6. Step 6: Final answer
    x = 108,784.42

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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.