Home / 199,536.12-275,365.65-108,897.91

Finding the Fourth Proportional to 199,536.12, 275,365.65 and 108,897.91

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Solution

The fourth proportional to 199,536.12, 275,365.65 and 108,897.91 is: 150,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,536.12 : 275,365.65 = 108,897.91 : x
  2. Step 2: Convert to fraction form
    199,536.12/275,365.65 = 108,897.91/x
  3. Step 3: Cross multiply
    199,536.12x = 275,365.65 × 108,897.91
  4. Step 4: Simplify right side
    199,536.12x = 29,986,743,770.79
  5. Step 5: Solve for x
    x = 29,986,743,770.79/199,536.12
  6. Step 6: Final answer
    x = 150,282.28

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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.