Home / 263,363.20-363,440.03-142,506.61

Finding the Fourth Proportional to 263,363.20, 363,440.03 and 142,506.61

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Solution

The fourth proportional to 263,363.20, 363,440.03 and 142,506.61 is: 196,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,363.20 : 363,440.03 = 142,506.61 : x
  2. Step 2: Convert to fraction form
    263,363.20/363,440.03 = 142,506.61/x
  3. Step 3: Cross multiply
    263,363.20x = 363,440.03 × 142,506.61
  4. Step 4: Simplify right side
    263,363.20x = 51,792,604,992.47
  5. Step 5: Solve for x
    x = 51,792,604,992.47/263,363.20
  6. Step 6: Final answer
    x = 196,658.48

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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.