Home / 149,921.52-206,871.70-96,279.20

Finding the Fourth Proportional to 149,921.52, 206,871.70 and 96,279.20

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Solution

The fourth proportional to 149,921.52, 206,871.70 and 96,279.20 is: 132,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,921.52 : 206,871.70 = 96,279.20 : x
  2. Step 2: Convert to fraction form
    149,921.52/206,871.70 = 96,279.20/x
  3. Step 3: Cross multiply
    149,921.52x = 206,871.70 × 96,279.20
  4. Step 4: Simplify right side
    149,921.52x = 19,917,441,778.64
  5. Step 5: Solve for x
    x = 19,917,441,778.64/149,921.52
  6. Step 6: Final answer
    x = 132,852.45

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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.