Home / 198,209.03-273,528.65-107,565.01

Finding the Fourth Proportional to 198,209.03, 273,528.65 and 107,565.01

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Solution

The fourth proportional to 198,209.03, 273,528.65 and 107,565.01 is: 148,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,209.03 : 273,528.65 = 107,565.01 : x
  2. Step 2: Convert to fraction form
    198,209.03/273,528.65 = 107,565.01/x
  3. Step 3: Cross multiply
    198,209.03x = 273,528.65 × 107,565.01
  4. Step 4: Simplify right side
    198,209.03x = 29,422,111,972.54
  5. Step 5: Solve for x
    x = 29,422,111,972.54/198,209.03
  6. Step 6: Final answer
    x = 148,439.82

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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.