Home / 198,257.51-273,591.02-107,613.65

Finding the Fourth Proportional to 198,257.51, 273,591.02 and 107,613.65

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Solution

The fourth proportional to 198,257.51, 273,591.02 and 107,613.65 is: 148,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,257.51 : 273,591.02 = 107,613.65 : x
  2. Step 2: Convert to fraction form
    198,257.51/273,591.02 = 107,613.65/x
  3. Step 3: Cross multiply
    198,257.51x = 273,591.02 × 107,613.65
  4. Step 4: Simplify right side
    198,257.51x = 29,442,128,269.42
  5. Step 5: Solve for x
    x = 29,442,128,269.42/198,257.51
  6. Step 6: Final answer
    x = 148,504.48

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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.