Home / 198,193.38-273,505.47-107,547.05

Finding the Fourth Proportional to 198,193.38, 273,505.47 and 107,547.05

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Solution

The fourth proportional to 198,193.38, 273,505.47 and 107,547.05 is: 148,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,193.38 : 273,505.47 = 107,547.05 : x
  2. Step 2: Convert to fraction form
    198,193.38/273,505.47 = 107,547.05/x
  3. Step 3: Cross multiply
    198,193.38x = 273,505.47 × 107,547.05
  4. Step 4: Simplify right side
    198,193.38x = 29,414,705,089.84
  5. Step 5: Solve for x
    x = 29,414,705,089.84/198,193.38
  6. Step 6: Final answer
    x = 148,414.17

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1.5x scale

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.