Home / 148,195.60-204,508.32-80,211.20

Finding the Fourth Proportional to 148,195.60, 204,508.32 and 80,211.20

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Solution

The fourth proportional to 148,195.60, 204,508.32 and 80,211.20 is: 110,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,195.60 : 204,508.32 = 80,211.20 : x
  2. Step 2: Convert to fraction form
    148,195.60/204,508.32 = 80,211.20/x
  3. Step 3: Cross multiply
    148,195.60x = 204,508.32 × 80,211.20
  4. Step 4: Simplify right side
    148,195.60x = 16,403,857,757.18
  5. Step 5: Solve for x
    x = 16,403,857,757.18/148,195.60
  6. Step 6: Final answer
    x = 110,690.59

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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.