Home / 149,616.30-206,546.76-115,548.42

Finding the Fourth Proportional to 149,616.30, 206,546.76 and 115,548.42

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Solution

The fourth proportional to 149,616.30, 206,546.76 and 115,548.42 is: 159,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,616.30 : 206,546.76 = 115,548.42 : x
  2. Step 2: Convert to fraction form
    149,616.30/206,546.76 = 115,548.42/x
  3. Step 3: Cross multiply
    149,616.30x = 206,546.76 × 115,548.42
  4. Step 4: Simplify right side
    149,616.30x = 23,866,151,774.12
  5. Step 5: Solve for x
    x = 23,866,151,774.12/149,616.30
  6. Step 6: Final answer
    x = 159,515.72

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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.