Home / 149,278.50-206,010.99-88,027.16

Finding the Fourth Proportional to 149,278.50, 206,010.99 and 88,027.16

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Solution

The fourth proportional to 149,278.50, 206,010.99 and 88,027.16 is: 121,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,278.50 : 206,010.99 = 88,027.16 : x
  2. Step 2: Convert to fraction form
    149,278.50/206,010.99 = 88,027.16/x
  3. Step 3: Cross multiply
    149,278.50x = 206,010.99 × 88,027.16
  4. Step 4: Simplify right side
    149,278.50x = 18,134,561,348.43
  5. Step 5: Solve for x
    x = 18,134,561,348.43/149,278.50
  6. Step 6: Final answer
    x = 121,481.40

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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.