Home / 149,397.88-206,125.12-88,938.24

Finding the Fourth Proportional to 149,397.88, 206,125.12 and 88,938.24

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Solution

The fourth proportional to 149,397.88, 206,125.12 and 88,938.24 is: 122,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,397.88 : 206,125.12 = 88,938.24 : x
  2. Step 2: Convert to fraction form
    149,397.88/206,125.12 = 88,938.24/x
  3. Step 3: Cross multiply
    149,397.88x = 206,125.12 × 88,938.24
  4. Step 4: Simplify right side
    149,397.88x = 18,332,405,392.59
  5. Step 5: Solve for x
    x = 18,332,405,392.59/149,397.88
  6. Step 6: Final answer
    x = 122,708.60

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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.