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Finding the Fourth Proportional to 181,112.40, 271,668.60 and 167,115.60

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Solution

The fourth proportional to 181,112.40, 271,668.60 and 167,115.60 is: 250,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,112.40 : 271,668.60 = 167,115.60 : x
  2. Step 2: Convert to fraction form
    181,112.40/271,668.60 = 167,115.60/x
  3. Step 3: Cross multiply
    181,112.40x = 271,668.60 × 167,115.60
  4. Step 4: Simplify right side
    181,112.40x = 45,400,061,090.16
  5. Step 5: Solve for x
    x = 45,400,061,090.16/181,112.40
  6. Step 6: Final answer
    x = 250,673.40

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1.5x scale

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.