Home / 198,459.98-273,873.66-107,815.16

Finding the Fourth Proportional to 198,459.98, 273,873.66 and 107,815.16

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Solution

The fourth proportional to 198,459.98, 273,873.66 and 107,815.16 is: 148,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,459.98 : 273,873.66 = 107,815.16 : x
  2. Step 2: Convert to fraction form
    198,459.98/273,873.66 = 107,815.16/x
  3. Step 3: Cross multiply
    198,459.98x = 273,873.66 × 107,815.16
  4. Step 4: Simplify right side
    198,459.98x = 29,527,732,472.69
  5. Step 5: Solve for x
    x = 29,527,732,472.69/198,459.98
  6. Step 6: Final answer
    x = 148,784.32

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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.