Home / 148,231.83-204,559.67-80,248.78

Finding the Fourth Proportional to 148,231.83, 204,559.67 and 80,248.78

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Solution

The fourth proportional to 148,231.83, 204,559.67 and 80,248.78 is: 110,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,231.83 : 204,559.67 = 80,248.78 : x
  2. Step 2: Convert to fraction form
    148,231.83/204,559.67 = 80,248.78/x
  3. Step 3: Cross multiply
    148,231.83x = 204,559.67 × 80,248.78
  4. Step 4: Simplify right side
    148,231.83x = 16,415,663,954.70
  5. Step 5: Solve for x
    x = 16,415,663,954.70/148,231.83
  6. Step 6: Final answer
    x = 110,743.18

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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.