Home / 148,456.85-204,869.71-80,473.55

Finding the Fourth Proportional to 148,456.85, 204,869.71 and 80,473.55

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Solution

The fourth proportional to 148,456.85, 204,869.71 and 80,473.55 is: 111,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,456.85 : 204,869.71 = 80,473.55 : x
  2. Step 2: Convert to fraction form
    148,456.85/204,869.71 = 80,473.55/x
  3. Step 3: Cross multiply
    148,456.85x = 204,869.71 × 80,473.55
  4. Step 4: Simplify right side
    148,456.85x = 16,486,593,162.16
  5. Step 5: Solve for x
    x = 16,486,593,162.16/148,456.85
  6. Step 6: Final answer
    x = 111,053.10

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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.