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Finding the Fourth Proportional to 181,897.96, 272,845.02 and 71,089

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Solution

The fourth proportional to 181,897.96, 272,845.02 and 71,089 is: 106,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,897.96 : 272,845.02 = 71,089 : x
  2. Step 2: Convert to fraction form
    181,897.96/272,845.02 = 71,089/x
  3. Step 3: Cross multiply
    181,897.96x = 272,845.02 × 71,089
  4. Step 4: Simplify right side
    181,897.96x = 19,396,279,626.78
  5. Step 5: Solve for x
    x = 19,396,279,626.78/181,897.96
  6. Step 6: Final answer
    x = 106,632.75

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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.