Home / 149,440.55-206,233.22-84,908.86

Finding the Fourth Proportional to 149,440.55, 206,233.22 and 84,908.86

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Solution

The fourth proportional to 149,440.55, 206,233.22 and 84,908.86 is: 117,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,440.55 : 206,233.22 = 84,908.86 : x
  2. Step 2: Convert to fraction form
    149,440.55/206,233.22 = 84,908.86/x
  3. Step 3: Cross multiply
    149,440.55x = 206,233.22 × 84,908.86
  4. Step 4: Simplify right side
    149,440.55x = 17,511,027,301.02
  5. Step 5: Solve for x
    x = 17,511,027,301.02/149,440.55
  6. Step 6: Final answer
    x = 117,177.22

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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.