Home / 198,393.40-273,782.82-107,749.24

Finding the Fourth Proportional to 198,393.40, 273,782.82 and 107,749.24

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Solution

The fourth proportional to 198,393.40, 273,782.82 and 107,749.24 is: 148,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,393.40 : 273,782.82 = 107,749.24 : x
  2. Step 2: Convert to fraction form
    198,393.40/273,782.82 = 107,749.24/x
  3. Step 3: Cross multiply
    198,393.40x = 273,782.82 × 107,749.24
  4. Step 4: Simplify right side
    198,393.40x = 29,499,890,780.06
  5. Step 5: Solve for x
    x = 29,499,890,780.06/198,393.40
  6. Step 6: Final answer
    x = 148,693.91

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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.