Home / 199,909.17-275,878.58-109,262.61

Finding the Fourth Proportional to 199,909.17, 275,878.58 and 109,262.61

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Solution

The fourth proportional to 199,909.17, 275,878.58 and 109,262.61 is: 150,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,909.17 : 275,878.58 = 109,262.61 : x
  2. Step 2: Convert to fraction form
    199,909.17/275,878.58 = 109,262.61/x
  3. Step 3: Cross multiply
    199,909.17x = 275,878.58 × 109,262.61
  4. Step 4: Simplify right side
    199,909.17x = 30,143,213,147.58
  5. Step 5: Solve for x
    x = 30,143,213,147.58/199,909.17
  6. Step 6: Final answer
    x = 150,784.54

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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.