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Finding the Fourth Proportional to 181,242.72, 250,134.57 and 109,662.21

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Solution

The fourth proportional to 181,242.72, 250,134.57 and 109,662.21 is: 151,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,242.72 : 250,134.57 = 109,662.21 : x
  2. Step 2: Convert to fraction form
    181,242.72/250,134.57 = 109,662.21/x
  3. Step 3: Cross multiply
    181,242.72x = 250,134.57 × 109,662.21
  4. Step 4: Simplify right side
    181,242.72x = 27,430,309,743.60
  5. Step 5: Solve for x
    x = 27,430,309,743.60/181,242.72
  6. Step 6: Final answer
    x = 151,345.72

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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.