Home / 157,584.20-217,462.02-85,965.62

Finding the Fourth Proportional to 157,584.20, 217,462.02 and 85,965.62

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Solution

The fourth proportional to 157,584.20, 217,462.02 and 85,965.62 is: 118,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,584.20 : 217,462.02 = 85,965.62 : x
  2. Step 2: Convert to fraction form
    157,584.20/217,462.02 = 85,965.62/x
  3. Step 3: Cross multiply
    157,584.20x = 217,462.02 × 85,965.62
  4. Step 4: Simplify right side
    157,584.20x = 18,694,257,375.75
  5. Step 5: Solve for x
    x = 18,694,257,375.75/157,584.20
  6. Step 6: Final answer
    x = 118,630.28

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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.