Home / 148,169.72-204,472.62-80,185.20

Finding the Fourth Proportional to 148,169.72, 204,472.62 and 80,185.20

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Solution

The fourth proportional to 148,169.72, 204,472.62 and 80,185.20 is: 110,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,169.72 : 204,472.62 = 80,185.20 : x
  2. Step 2: Convert to fraction form
    148,169.72/204,472.62 = 80,185.20/x
  3. Step 3: Cross multiply
    148,169.72x = 204,472.62 × 80,185.20
  4. Step 4: Simplify right side
    148,169.72x = 16,395,677,929.22
  5. Step 5: Solve for x
    x = 16,395,677,929.22/148,169.72
  6. Step 6: Final answer
    x = 110,654.71

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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.