Home / 154,280.68-231,448.44-54,498.76

Finding the Fourth Proportional to 154,280.68, 231,448.44 and 54,498.76

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Solution

The fourth proportional to 154,280.68, 231,448.44 and 54,498.76 is: 81,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,280.68 : 231,448.44 = 54,498.76 : x
  2. Step 2: Convert to fraction form
    154,280.68/231,448.44 = 54,498.76/x
  3. Step 3: Cross multiply
    154,280.68x = 231,448.44 × 54,498.76
  4. Step 4: Simplify right side
    154,280.68x = 12,613,652,983.93
  5. Step 5: Solve for x
    x = 12,613,652,983.93/154,280.68
  6. Step 6: Final answer
    x = 81,757.83

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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.