Home / 198,456.83-273,869.32-107,812.07

Finding the Fourth Proportional to 198,456.83, 273,869.32 and 107,812.07

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Solution

The fourth proportional to 198,456.83, 273,869.32 and 107,812.07 is: 148,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,456.83 : 273,869.32 = 107,812.07 : x
  2. Step 2: Convert to fraction form
    198,456.83/273,869.32 = 107,812.07/x
  3. Step 3: Cross multiply
    198,456.83x = 273,869.32 × 107,812.07
  4. Step 4: Simplify right side
    198,456.83x = 29,526,418,298.69
  5. Step 5: Solve for x
    x = 29,526,418,298.69/198,456.83
  6. Step 6: Final answer
    x = 148,780.06

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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.