Home / 230,748.16-318,432.72-130,146.16

Finding the Fourth Proportional to 230,748.16, 318,432.72 and 130,146.16

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Solution

The fourth proportional to 230,748.16, 318,432.72 and 130,146.16 is: 179,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,748.16 : 318,432.72 = 130,146.16 : x
  2. Step 2: Convert to fraction form
    230,748.16/318,432.72 = 130,146.16/x
  3. Step 3: Cross multiply
    230,748.16x = 318,432.72 × 130,146.16
  4. Step 4: Simplify right side
    230,748.16x = 41,442,795,726.36
  5. Step 5: Solve for x
    x = 41,442,795,726.36/230,748.16
  6. Step 6: Final answer
    x = 179,601.85

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1.5x scale

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.