Home / 198,455.49-273,870.46-107,812.13

Finding the Fourth Proportional to 198,455.49, 273,870.46 and 107,812.13

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Solution

The fourth proportional to 198,455.49, 273,870.46 and 107,812.13 is: 148,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,455.49 : 273,870.46 = 107,812.13 : x
  2. Step 2: Convert to fraction form
    198,455.49/273,870.46 = 107,812.13/x
  3. Step 3: Cross multiply
    198,455.49x = 273,870.46 × 107,812.13
  4. Step 4: Simplify right side
    198,455.49x = 29,526,557,636.68
  5. Step 5: Solve for x
    x = 29,526,557,636.68/198,455.49
  6. Step 6: Final answer
    x = 148,781.76

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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.