Home / 107,823.68-161,757.12-45,494.72

Finding the Fourth Proportional to 107,823.68, 161,757.12 and 45,494.72

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Solution

The fourth proportional to 107,823.68, 161,757.12 and 45,494.72 is: 68,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,823.68 : 161,757.12 = 45,494.72 : x
  2. Step 2: Convert to fraction form
    107,823.68/161,757.12 = 45,494.72/x
  3. Step 3: Cross multiply
    107,823.68x = 161,757.12 × 45,494.72
  4. Step 4: Simplify right side
    107,823.68x = 7,359,094,882.41
  5. Step 5: Solve for x
    x = 7,359,094,882.41/107,823.68
  6. Step 6: Final answer
    x = 68,251.19

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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.