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Finding the Fourth Proportional to 181,885.44, 250,989 and 100,210.08

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Solution

The fourth proportional to 181,885.44, 250,989 and 100,210.08 is: 138,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,885.44 : 250,989 = 100,210.08 : x
  2. Step 2: Convert to fraction form
    181,885.44/250,989 = 100,210.08/x
  3. Step 3: Cross multiply
    181,885.44x = 250,989 × 100,210.08
  4. Step 4: Simplify right side
    181,885.44x = 25,151,627,769.12
  5. Step 5: Solve for x
    x = 25,151,627,769.12/181,885.44
  6. Step 6: Final answer
    x = 138,282.80

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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.