Home / 230,474.50-318,054.82-129,876.10

Finding the Fourth Proportional to 230,474.50, 318,054.82 and 129,876.10

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Solution

The fourth proportional to 230,474.50, 318,054.82 and 129,876.10 is: 179,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,474.50 : 318,054.82 = 129,876.10 : x
  2. Step 2: Convert to fraction form
    230,474.50/318,054.82 = 129,876.10/x
  3. Step 3: Cross multiply
    230,474.50x = 318,054.82 × 129,876.10
  4. Step 4: Simplify right side
    230,474.50x = 41,307,719,607.80
  5. Step 5: Solve for x
    x = 41,307,719,607.80/230,474.50
  6. Step 6: Final answer
    x = 179,229.02

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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.