Home / 199,588.12-275,438.27-108,949.46

Finding the Fourth Proportional to 199,588.12, 275,438.27 and 108,949.46

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Solution

The fourth proportional to 199,588.12, 275,438.27 and 108,949.46 is: 150,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,588.12 : 275,438.27 = 108,949.46 : x
  2. Step 2: Convert to fraction form
    199,588.12/275,438.27 = 108,949.46/x
  3. Step 3: Cross multiply
    199,588.12x = 275,438.27 × 108,949.46
  4. Step 4: Simplify right side
    199,588.12x = 30,008,849,675.02
  5. Step 5: Solve for x
    x = 30,008,849,675.02/199,588.12
  6. Step 6: Final answer
    x = 150,353.89

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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.