Home / 136,757.16-188,576.10-88,921.80

Finding the Fourth Proportional to 136,757.16, 188,576.10 and 88,921.80

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Solution

The fourth proportional to 136,757.16, 188,576.10 and 88,921.80 is: 122,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,757.16 : 188,576.10 = 88,921.80 : x
  2. Step 2: Convert to fraction form
    136,757.16/188,576.10 = 88,921.80/x
  3. Step 3: Cross multiply
    136,757.16x = 188,576.10 × 88,921.80
  4. Step 4: Simplify right side
    136,757.16x = 16,768,526,248.98
  5. Step 5: Solve for x
    x = 16,768,526,248.98/136,757.16
  6. Step 6: Final answer
    x = 122,615.34

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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.