Home / 170,229.50-234,933.12-94,778

Finding the Fourth Proportional to 170,229.50, 234,933.12 and 94,778

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Solution

The fourth proportional to 170,229.50, 234,933.12 and 94,778 is: 130,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,229.50 : 234,933.12 = 94,778 : x
  2. Step 2: Convert to fraction form
    170,229.50/234,933.12 = 94,778/x
  3. Step 3: Cross multiply
    170,229.50x = 234,933.12 × 94,778
  4. Step 4: Simplify right side
    170,229.50x = 22,266,491,247.36
  5. Step 5: Solve for x
    x = 22,266,491,247.36/170,229.50
  6. Step 6: Final answer
    x = 130,802.78

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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.