Home / 148,729.26-205,244.91-80,744.73

Finding the Fourth Proportional to 148,729.26, 205,244.91 and 80,744.73

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Solution

The fourth proportional to 148,729.26, 205,244.91 and 80,744.73 is: 111,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,729.26 : 205,244.91 = 80,744.73 : x
  2. Step 2: Convert to fraction form
    148,729.26/205,244.91 = 80,744.73/x
  3. Step 3: Cross multiply
    148,729.26x = 205,244.91 × 80,744.73
  4. Step 4: Simplify right side
    148,729.26x = 16,572,444,841.82
  5. Step 5: Solve for x
    x = 16,572,444,841.82/148,729.26
  6. Step 6: Final answer
    x = 111,426.93

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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.