Home / 148,732.24-205,249.04-80,747.74

Finding the Fourth Proportional to 148,732.24, 205,249.04 and 80,747.74

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Solution

The fourth proportional to 148,732.24, 205,249.04 and 80,747.74 is: 111,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,732.24 : 205,249.04 = 80,747.74 : x
  2. Step 2: Convert to fraction form
    148,732.24/205,249.04 = 80,747.74/x
  3. Step 3: Cross multiply
    148,732.24x = 205,249.04 × 80,747.74
  4. Step 4: Simplify right side
    148,732.24x = 16,573,396,117.17
  5. Step 5: Solve for x
    x = 16,573,396,117.17/148,732.24
  6. Step 6: Final answer
    x = 111,431.09

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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.