Home / 199,669.79-275,555.52-109,034.20

Finding the Fourth Proportional to 199,669.79, 275,555.52 and 109,034.20

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Solution

The fourth proportional to 199,669.79, 275,555.52 and 109,034.20 is: 150,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,669.79 : 275,555.52 = 109,034.20 : x
  2. Step 2: Convert to fraction form
    199,669.79/275,555.52 = 109,034.20/x
  3. Step 3: Cross multiply
    199,669.79x = 275,555.52 × 109,034.20
  4. Step 4: Simplify right side
    199,669.79x = 30,044,976,023.23
  5. Step 5: Solve for x
    x = 30,044,976,023.23/199,669.79
  6. Step 6: Final answer
    x = 150,473.32

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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.