Home / 199,607.10-275,458.50-108,965.07

Finding the Fourth Proportional to 199,607.10, 275,458.50 and 108,965.07

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Solution

The fourth proportional to 199,607.10, 275,458.50 and 108,965.07 is: 150,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,607.10 : 275,458.50 = 108,965.07 : x
  2. Step 2: Convert to fraction form
    199,607.10/275,458.50 = 108,965.07/x
  3. Step 3: Cross multiply
    199,607.10x = 275,458.50 × 108,965.07
  4. Step 4: Simplify right side
    199,607.10x = 30,015,354,734.60
  5. Step 5: Solve for x
    x = 30,015,354,734.60/199,607.10
  6. Step 6: Final answer
    x = 150,372.18

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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.