Home / 179,297.12-268,621.23-129,105.47

Finding the Fourth Proportional to 179,297.12, 268,621.23 and 129,105.47

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Solution

The fourth proportional to 179,297.12, 268,621.23 and 129,105.47 is: 193,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,297.12 : 268,621.23 = 129,105.47 : x
  2. Step 2: Convert to fraction form
    179,297.12/268,621.23 = 129,105.47/x
  3. Step 3: Cross multiply
    179,297.12x = 268,621.23 × 129,105.47
  4. Step 4: Simplify right side
    179,297.12x = 34,680,470,151.13
  5. Step 5: Solve for x
    x = 34,680,470,151.13/179,297.12
  6. Step 6: Final answer
    x = 193,424.58

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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.