Home / 198,244.36-297,207.92-103,426.96

Finding the Fourth Proportional to 198,244.36, 297,207.92 and 103,426.96

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Solution

The fourth proportional to 198,244.36, 297,207.92 and 103,426.96 is: 155,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,244.36 : 297,207.92 = 103,426.96 : x
  2. Step 2: Convert to fraction form
    198,244.36/297,207.92 = 103,426.96/x
  3. Step 3: Cross multiply
    198,244.36x = 297,207.92 × 103,426.96
  4. Step 4: Simplify right side
    198,244.36x = 30,739,311,653.52
  5. Step 5: Solve for x
    x = 30,739,311,653.52/198,244.36
  6. Step 6: Final answer
    x = 155,057.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.