Home / 148,279.92-203,962.68-130,040.88

Finding the Fourth Proportional to 148,279.92, 203,962.68 and 130,040.88

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Solution

The fourth proportional to 148,279.92, 203,962.68 and 130,040.88 is: 178,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,279.92 : 203,962.68 = 130,040.88 : x
  2. Step 2: Convert to fraction form
    148,279.92/203,962.68 = 130,040.88/x
  3. Step 3: Cross multiply
    148,279.92x = 203,962.68 × 130,040.88
  4. Step 4: Simplify right side
    148,279.92x = 26,523,486,394.36
  5. Step 5: Solve for x
    x = 26,523,486,394.36/148,279.92
  6. Step 6: Final answer
    x = 178,874.43

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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.