Home / 168,006.23-251,921.85-79,235.90

Finding the Fourth Proportional to 168,006.23, 251,921.85 and 79,235.90

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Solution

The fourth proportional to 168,006.23, 251,921.85 and 79,235.90 is: 118,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,006.23 : 251,921.85 = 79,235.90 : x
  2. Step 2: Convert to fraction form
    168,006.23/251,921.85 = 79,235.90/x
  3. Step 3: Cross multiply
    168,006.23x = 251,921.85 × 79,235.90
  4. Step 4: Simplify right side
    168,006.23x = 19,961,253,902.38
  5. Step 5: Solve for x
    x = 19,961,253,902.38/168,006.23
  6. Step 6: Final answer
    x = 118,812.58

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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.