Home / 152,821.20-229,230.72-83,143.44

Finding the Fourth Proportional to 152,821.20, 229,230.72 and 83,143.44

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Solution

The fourth proportional to 152,821.20, 229,230.72 and 83,143.44 is: 124,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,821.20 : 229,230.72 = 83,143.44 : x
  2. Step 2: Convert to fraction form
    152,821.20/229,230.72 = 83,143.44/x
  3. Step 3: Cross multiply
    152,821.20x = 229,230.72 × 83,143.44
  4. Step 4: Simplify right side
    152,821.20x = 19,059,030,614.48
  5. Step 5: Solve for x
    x = 19,059,030,614.48/152,821.20
  6. Step 6: Final answer
    x = 124,714.57

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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.