Home / 149,895.97-206,831.88-88,633.64

Finding the Fourth Proportional to 149,895.97, 206,831.88 and 88,633.64

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Solution

The fourth proportional to 149,895.97, 206,831.88 and 88,633.64 is: 122,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,895.97 : 206,831.88 = 88,633.64 : x
  2. Step 2: Convert to fraction form
    149,895.97/206,831.88 = 88,633.64/x
  3. Step 3: Cross multiply
    149,895.97x = 206,831.88 × 88,633.64
  4. Step 4: Simplify right side
    149,895.97x = 18,332,262,909.52
  5. Step 5: Solve for x
    x = 18,332,262,909.52/149,895.97
  6. Step 6: Final answer
    x = 122,299.91

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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.