Home / 199,520.43-275,342.13-156,551.42

Finding the Fourth Proportional to 199,520.43, 275,342.13 and 156,551.42

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Solution

The fourth proportional to 199,520.43, 275,342.13 and 156,551.42 is: 216,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,520.43 : 275,342.13 = 156,551.42 : x
  2. Step 2: Convert to fraction form
    199,520.43/275,342.13 = 156,551.42/x
  3. Step 3: Cross multiply
    199,520.43x = 275,342.13 × 156,551.42
  4. Step 4: Simplify right side
    199,520.43x = 43,105,200,060.61
  5. Step 5: Solve for x
    x = 43,105,200,060.61/199,520.43
  6. Step 6: Final answer
    x = 216,044.04

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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.