Home / 119,389.20-179,022.17-35,138.42

Finding the Fourth Proportional to 119,389.20, 179,022.17 and 35,138.42

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Solution

The fourth proportional to 119,389.20, 179,022.17 and 35,138.42 is: 52,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,389.20 : 179,022.17 = 35,138.42 : x
  2. Step 2: Convert to fraction form
    119,389.20/179,022.17 = 35,138.42/x
  3. Step 3: Cross multiply
    119,389.20x = 179,022.17 × 35,138.42
  4. Step 4: Simplify right side
    119,389.20x = 6,290,555,127.97
  5. Step 5: Solve for x
    x = 6,290,555,127.97/119,389.20
  6. Step 6: Final answer
    x = 52,689.48

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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.