Home / 154,456.80-231,663.60-49,286.40

Finding the Fourth Proportional to 154,456.80, 231,663.60 and 49,286.40

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Solution

The fourth proportional to 154,456.80, 231,663.60 and 49,286.40 is: 73,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,456.80 : 231,663.60 = 49,286.40 : x
  2. Step 2: Convert to fraction form
    154,456.80/231,663.60 = 49,286.40/x
  3. Step 3: Cross multiply
    154,456.80x = 231,663.60 × 49,286.40
  4. Step 4: Simplify right side
    154,456.80x = 11,417,864,855.04
  5. Step 5: Solve for x
    x = 11,417,864,855.04/154,456.80
  6. Step 6: Final answer
    x = 73,922.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.