Home / 230,747.66-318,432.03-130,145.66

Finding the Fourth Proportional to 230,747.66, 318,432.03 and 130,145.66

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Solution

The fourth proportional to 230,747.66, 318,432.03 and 130,145.66 is: 179,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,747.66 : 318,432.03 = 130,145.66 : x
  2. Step 2: Convert to fraction form
    230,747.66/318,432.03 = 130,145.66/x
  3. Step 3: Cross multiply
    230,747.66x = 318,432.03 × 130,145.66
  4. Step 4: Simplify right side
    230,747.66x = 41,442,546,709.49
  5. Step 5: Solve for x
    x = 41,442,546,709.49/230,747.66
  6. Step 6: Final answer
    x = 179,601.16

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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.