Home / 110,217.78-165,280.04-39,158.20

Finding the Fourth Proportional to 110,217.78, 165,280.04 and 39,158.20

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Solution

The fourth proportional to 110,217.78, 165,280.04 and 39,158.20 is: 58,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,217.78 : 165,280.04 = 39,158.20 : x
  2. Step 2: Convert to fraction form
    110,217.78/165,280.04 = 39,158.20/x
  3. Step 3: Cross multiply
    110,217.78x = 165,280.04 × 39,158.20
  4. Step 4: Simplify right side
    110,217.78x = 6,472,068,862.33
  5. Step 5: Solve for x
    x = 6,472,068,862.33/110,217.78
  6. Step 6: Final answer
    x = 58,720.73

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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.