Home / 198,036.11-273,289.90-107,392.05

Finding the Fourth Proportional to 198,036.11, 273,289.90 and 107,392.05

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Solution

The fourth proportional to 198,036.11, 273,289.90 and 107,392.05 is: 148,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,036.11 : 273,289.90 = 107,392.05 : x
  2. Step 2: Convert to fraction form
    198,036.11/273,289.90 = 107,392.05/x
  3. Step 3: Cross multiply
    198,036.11x = 273,289.90 × 107,392.05
  4. Step 4: Simplify right side
    198,036.11x = 29,349,162,605.30
  5. Step 5: Solve for x
    x = 29,349,162,605.30/198,036.11
  6. Step 6: Final answer
    x = 148,201.07

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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.