Home / 198,422.60-273,825.24-107,780.32

Finding the Fourth Proportional to 198,422.60, 273,825.24 and 107,780.32

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Solution

The fourth proportional to 198,422.60, 273,825.24 and 107,780.32 is: 148,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,422.60 : 273,825.24 = 107,780.32 : x
  2. Step 2: Convert to fraction form
    198,422.60/273,825.24 = 107,780.32/x
  3. Step 3: Cross multiply
    198,422.60x = 273,825.24 × 107,780.32
  4. Step 4: Simplify right side
    198,422.60x = 29,512,971,991.28
  5. Step 5: Solve for x
    x = 29,512,971,991.28/198,422.60
  6. Step 6: Final answer
    x = 148,737.96

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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.