Home / 206,629.60-309,944.40-73,514.20

Finding the Fourth Proportional to 206,629.60, 309,944.40 and 73,514.20

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Solution

The fourth proportional to 206,629.60, 309,944.40 and 73,514.20 is: 110,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,629.60 : 309,944.40 = 73,514.20 : x
  2. Step 2: Convert to fraction form
    206,629.60/309,944.40 = 73,514.20/x
  3. Step 3: Cross multiply
    206,629.60x = 309,944.40 × 73,514.20
  4. Step 4: Simplify right side
    206,629.60x = 22,785,314,610.48
  5. Step 5: Solve for x
    x = 22,785,314,610.48/206,629.60
  6. Step 6: Final answer
    x = 110,271.30

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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.