Home / 198,073.62-273,340.35-107,431.74

Finding the Fourth Proportional to 198,073.62, 273,340.35 and 107,431.74

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Solution

The fourth proportional to 198,073.62, 273,340.35 and 107,431.74 is: 148,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,073.62 : 273,340.35 = 107,431.74 : x
  2. Step 2: Convert to fraction form
    198,073.62/273,340.35 = 107,431.74/x
  3. Step 3: Cross multiply
    198,073.62x = 273,340.35 × 107,431.74
  4. Step 4: Simplify right side
    198,073.62x = 29,365,429,412.71
  5. Step 5: Solve for x
    x = 29,365,429,412.71/198,073.62
  6. Step 6: Final answer
    x = 148,255.13

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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.