Home / 198,410.16-273,808.01-107,767.89

Finding the Fourth Proportional to 198,410.16, 273,808.01 and 107,767.89

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Solution

The fourth proportional to 198,410.16, 273,808.01 and 107,767.89 is: 148,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,410.16 : 273,808.01 = 107,767.89 : x
  2. Step 2: Convert to fraction form
    198,410.16/273,808.01 = 107,767.89/x
  3. Step 3: Cross multiply
    198,410.16x = 273,808.01 × 107,767.89
  4. Step 4: Simplify right side
    198,410.16x = 29,507,711,502.80
  5. Step 5: Solve for x
    x = 29,507,711,502.80/198,410.16
  6. Step 6: Final answer
    x = 148,720.77

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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.