Home / 149,366.40-206,407.28-117,786.12

Finding the Fourth Proportional to 149,366.40, 206,407.28 and 117,786.12

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Solution

The fourth proportional to 149,366.40, 206,407.28 and 117,786.12 is: 162,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,366.40 : 206,407.28 = 117,786.12 : x
  2. Step 2: Convert to fraction form
    149,366.40/206,407.28 = 117,786.12/x
  3. Step 3: Cross multiply
    149,366.40x = 206,407.28 × 117,786.12
  4. Step 4: Simplify right side
    149,366.40x = 24,311,912,650.95
  5. Step 5: Solve for x
    x = 24,311,912,650.95/149,366.40
  6. Step 6: Final answer
    x = 162,766.95

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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.