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Finding the Fourth Proportional to 181,899.96, 272,848.02 and 71,091

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Solution

The fourth proportional to 181,899.96, 272,848.02 and 71,091 is: 106,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,899.96 : 272,848.02 = 71,091 : x
  2. Step 2: Convert to fraction form
    181,899.96/272,848.02 = 71,091/x
  3. Step 3: Cross multiply
    181,899.96x = 272,848.02 × 71,091
  4. Step 4: Simplify right side
    181,899.96x = 19,397,038,589.82
  5. Step 5: Solve for x
    x = 19,397,038,589.82/181,899.96
  6. Step 6: Final answer
    x = 106,635.75

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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.