Home / 261,825.20-361,318.77-142,593.20

Finding the Fourth Proportional to 261,825.20, 361,318.77 and 142,593.20

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Solution

The fourth proportional to 261,825.20, 361,318.77 and 142,593.20 is: 196,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,825.20 : 361,318.77 = 142,593.20 : x
  2. Step 2: Convert to fraction form
    261,825.20/361,318.77 = 142,593.20/x
  3. Step 3: Cross multiply
    261,825.20x = 361,318.77 × 142,593.20
  4. Step 4: Simplify right side
    261,825.20x = 51,521,597,827.77
  5. Step 5: Solve for x
    x = 51,521,597,827.77/261,825.20
  6. Step 6: Final answer
    x = 196,778.61

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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.