Home / 181,816.11-272,739.72-55,484.78

Finding the Fourth Proportional to 181,816.11, 272,739.72 and 55,484.78

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Solution

The fourth proportional to 181,816.11, 272,739.72 and 55,484.78 is: 83,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,816.11 : 272,739.72 = 55,484.78 : x
  2. Step 2: Convert to fraction form
    181,816.11/272,739.72 = 55,484.78/x
  3. Step 3: Cross multiply
    181,816.11x = 272,739.72 × 55,484.78
  4. Step 4: Simplify right side
    181,816.11x = 15,132,901,997.76
  5. Step 5: Solve for x
    x = 15,132,901,997.76/181,816.11
  6. Step 6: Final answer
    x = 83,231.91

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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.