Home / 120,180.68-165,830.91-69,183.56

Finding the Fourth Proportional to 120,180.68, 165,830.91 and 69,183.56

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Solution

The fourth proportional to 120,180.68, 165,830.91 and 69,183.56 is: 95,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,180.68 : 165,830.91 = 69,183.56 : x
  2. Step 2: Convert to fraction form
    120,180.68/165,830.91 = 69,183.56/x
  3. Step 3: Cross multiply
    120,180.68x = 165,830.91 × 69,183.56
  4. Step 4: Simplify right side
    120,180.68x = 11,472,771,882.69
  5. Step 5: Solve for x
    x = 11,472,771,882.69/120,180.68
  6. Step 6: Final answer
    x = 95,462.70

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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.