Home / 149,716.46-206,644.30-96,128.48

Finding the Fourth Proportional to 149,716.46, 206,644.30 and 96,128.48

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Solution

The fourth proportional to 149,716.46, 206,644.30 and 96,128.48 is: 132,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,716.46 : 206,644.30 = 96,128.48 : x
  2. Step 2: Convert to fraction form
    149,716.46/206,644.30 = 96,128.48/x
  3. Step 3: Cross multiply
    149,716.46x = 206,644.30 × 96,128.48
  4. Step 4: Simplify right side
    149,716.46x = 19,864,402,459.66
  5. Step 5: Solve for x
    x = 19,864,402,459.66/149,716.46
  6. Step 6: Final answer
    x = 132,680.15

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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.