Home / 152,755.20-229,040.75-68,500.13

Finding the Fourth Proportional to 152,755.20, 229,040.75 and 68,500.13

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Solution

The fourth proportional to 152,755.20, 229,040.75 and 68,500.13 is: 102,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,755.20 : 229,040.75 = 68,500.13 : x
  2. Step 2: Convert to fraction form
    152,755.20/229,040.75 = 68,500.13/x
  3. Step 3: Cross multiply
    152,755.20x = 229,040.75 × 68,500.13
  4. Step 4: Simplify right side
    152,755.20x = 15,689,320,176.34
  5. Step 5: Solve for x
    x = 15,689,320,176.34/152,755.20
  6. Step 6: Final answer
    x = 102,708.91

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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.