Home / 199,381.29-275,145.12-108,735.63

Finding the Fourth Proportional to 199,381.29, 275,145.12 and 108,735.63

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Solution

The fourth proportional to 199,381.29, 275,145.12 and 108,735.63 is: 150,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,381.29 : 275,145.12 = 108,735.63 : x
  2. Step 2: Convert to fraction form
    199,381.29/275,145.12 = 108,735.63/x
  3. Step 3: Cross multiply
    199,381.29x = 275,145.12 × 108,735.63
  4. Step 4: Simplify right side
    199,381.29x = 29,918,077,964.63
  5. Step 5: Solve for x
    x = 29,918,077,964.63/199,381.29
  6. Step 6: Final answer
    x = 150,054.59

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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.