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Finding the Fourth Proportional to 181,201.28, 250,066.06 and 100,629.16

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Solution

The fourth proportional to 181,201.28, 250,066.06 and 100,629.16 is: 138,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,201.28 : 250,066.06 = 100,629.16 : x
  2. Step 2: Convert to fraction form
    181,201.28/250,066.06 = 100,629.16/x
  3. Step 3: Cross multiply
    181,201.28x = 250,066.06 × 100,629.16
  4. Step 4: Simplify right side
    181,201.28x = 25,163,936,685.57
  5. Step 5: Solve for x
    x = 25,163,936,685.57/181,201.28
  6. Step 6: Final answer
    x = 138,872.85

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1.5x scale

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.