Home / 136,020.96-204,031.44-51,761.25

Finding the Fourth Proportional to 136,020.96, 204,031.44 and 51,761.25

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Solution

The fourth proportional to 136,020.96, 204,031.44 and 51,761.25 is: 77,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,020.96 : 204,031.44 = 51,761.25 : x
  2. Step 2: Convert to fraction form
    136,020.96/204,031.44 = 51,761.25/x
  3. Step 3: Cross multiply
    136,020.96x = 204,031.44 × 51,761.25
  4. Step 4: Simplify right side
    136,020.96x = 10,560,922,373.70
  5. Step 5: Solve for x
    x = 10,560,922,373.70/136,020.96
  6. Step 6: Final answer
    x = 77,641.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.