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Finding the Fourth Proportional to 181,451.44, 250,395.86 and 100,873.10

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Solution

The fourth proportional to 181,451.44, 250,395.86 and 100,873.10 is: 139,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,451.44 : 250,395.86 = 100,873.10 : x
  2. Step 2: Convert to fraction form
    181,451.44/250,395.86 = 100,873.10/x
  3. Step 3: Cross multiply
    181,451.44x = 250,395.86 × 100,873.10
  4. Step 4: Simplify right side
    181,451.44x = 25,258,205,527.65
  5. Step 5: Solve for x
    x = 25,258,205,527.65/181,451.44
  6. Step 6: Final answer
    x = 139,200.91

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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.