Home / 181,513.96-272,309.82-76,272.28

Finding the Fourth Proportional to 181,513.96, 272,309.82 and 76,272.28

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Solution

The fourth proportional to 181,513.96, 272,309.82 and 76,272.28 is: 114,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,513.96 : 272,309.82 = 76,272.28 : x
  2. Step 2: Convert to fraction form
    181,513.96/272,309.82 = 76,272.28/x
  3. Step 3: Cross multiply
    181,513.96x = 272,309.82 × 76,272.28
  4. Step 4: Simplify right side
    181,513.96x = 20,769,690,837.79
  5. Step 5: Solve for x
    x = 20,769,690,837.79/181,513.96
  6. Step 6: Final answer
    x = 114,424.76

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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.