Home / 231,494.10-319,460.13-130,895.70

Finding the Fourth Proportional to 231,494.10, 319,460.13 and 130,895.70

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Solution

The fourth proportional to 231,494.10, 319,460.13 and 130,895.70 is: 180,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,494.10 : 319,460.13 = 130,895.70 : x
  2. Step 2: Convert to fraction form
    231,494.10/319,460.13 = 130,895.70/x
  3. Step 3: Cross multiply
    231,494.10x = 319,460.13 × 130,895.70
  4. Step 4: Simplify right side
    231,494.10x = 41,815,957,338.44
  5. Step 5: Solve for x
    x = 41,815,957,338.44/231,494.10
  6. Step 6: Final answer
    x = 180,635.09

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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.