Home / 146,119.20-219,265.20-52,612.80

Finding the Fourth Proportional to 146,119.20, 219,265.20 and 52,612.80

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Solution

The fourth proportional to 146,119.20, 219,265.20 and 52,612.80 is: 78,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,119.20 : 219,265.20 = 52,612.80 : x
  2. Step 2: Convert to fraction form
    146,119.20/219,265.20 = 52,612.80/x
  3. Step 3: Cross multiply
    146,119.20x = 219,265.20 × 52,612.80
  4. Step 4: Simplify right side
    146,119.20x = 11,536,156,114.56
  5. Step 5: Solve for x
    x = 11,536,156,114.56/146,119.20
  6. Step 6: Final answer
    x = 78,950.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.