Home / 154,836.13-232,469.25-80,011.57

Finding the Fourth Proportional to 154,836.13, 232,469.25 and 80,011.57

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Solution

The fourth proportional to 154,836.13, 232,469.25 and 80,011.57 is: 120,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,836.13 : 232,469.25 = 80,011.57 : x
  2. Step 2: Convert to fraction form
    154,836.13/232,469.25 = 80,011.57/x
  3. Step 3: Cross multiply
    154,836.13x = 232,469.25 × 80,011.57
  4. Step 4: Simplify right side
    154,836.13x = 18,600,229,669.22
  5. Step 5: Solve for x
    x = 18,600,229,669.22/154,836.13
  6. Step 6: Final answer
    x = 120,128.48

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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.