Home / 206,070.92-284,475.26-138,132.27

Finding the Fourth Proportional to 206,070.92, 284,475.26 and 138,132.27

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Solution

The fourth proportional to 206,070.92, 284,475.26 and 138,132.27 is: 190,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,070.92 : 284,475.26 = 138,132.27 : x
  2. Step 2: Convert to fraction form
    206,070.92/284,475.26 = 138,132.27/x
  3. Step 3: Cross multiply
    206,070.92x = 284,475.26 × 138,132.27
  4. Step 4: Simplify right side
    206,070.92x = 39,295,211,309.60
  5. Step 5: Solve for x
    x = 39,295,211,309.60/206,070.92
  6. Step 6: Final answer
    x = 190,687.81

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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.