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Finding the Fourth Proportional to 148,245.58, 204,576.87 and 81,177.58

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Solution

The fourth proportional to 148,245.58, 204,576.87 and 81,177.58 is: 112,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,245.58 : 204,576.87 = 81,177.58 : x
  2. Step 2: Convert to fraction form
    148,245.58/204,576.87 = 81,177.58/x
  3. Step 3: Cross multiply
    148,245.58x = 204,576.87 × 81,177.58
  4. Step 4: Simplify right side
    148,245.58x = 16,607,055,230.57
  5. Step 5: Solve for x
    x = 16,607,055,230.57/148,245.58
  6. Step 6: Final answer
    x = 112,023.95

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1.5x scale

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.