Home / 154,132.36-231,197.46-79,273.38

Finding the Fourth Proportional to 154,132.36, 231,197.46 and 79,273.38

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Solution

The fourth proportional to 154,132.36, 231,197.46 and 79,273.38 is: 118,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,132.36 : 231,197.46 = 79,273.38 : x
  2. Step 2: Convert to fraction form
    154,132.36/231,197.46 = 79,273.38/x
  3. Step 3: Cross multiply
    154,132.36x = 231,197.46 × 79,273.38
  4. Step 4: Simplify right side
    154,132.36x = 18,327,804,101.61
  5. Step 5: Solve for x
    x = 18,327,804,101.61/154,132.36
  6. Step 6: Final answer
    x = 118,909.51

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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.