Home / 198,103.23-273,380.13-107,457.48

Finding the Fourth Proportional to 198,103.23, 273,380.13 and 107,457.48

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Solution

The fourth proportional to 198,103.23, 273,380.13 and 107,457.48 is: 148,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,103.23 : 273,380.13 = 107,457.48 : x
  2. Step 2: Convert to fraction form
    198,103.23/273,380.13 = 107,457.48/x
  3. Step 3: Cross multiply
    198,103.23x = 273,380.13 × 107,457.48
  4. Step 4: Simplify right side
    198,103.23x = 29,376,739,851.87
  5. Step 5: Solve for x
    x = 29,376,739,851.87/198,103.23
  6. Step 6: Final answer
    x = 148,290.06

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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.