Home / 181,890.72-272,844.72-57,241.44

Finding the Fourth Proportional to 181,890.72, 272,844.72 and 57,241.44

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Solution

The fourth proportional to 181,890.72, 272,844.72 and 57,241.44 is: 85,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,890.72 : 272,844.72 = 57,241.44 : x
  2. Step 2: Convert to fraction form
    181,890.72/272,844.72 = 57,241.44/x
  3. Step 3: Cross multiply
    181,890.72x = 272,844.72 × 57,241.44
  4. Step 4: Simplify right side
    181,890.72x = 15,618,024,669.20
  5. Step 5: Solve for x
    x = 15,618,024,669.20/181,890.72
  6. Step 6: Final answer
    x = 85,864.88

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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.