Home / 181,469.89-272,205.27-55,111.10

Finding the Fourth Proportional to 181,469.89, 272,205.27 and 55,111.10

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Solution

The fourth proportional to 181,469.89, 272,205.27 and 55,111.10 is: 82,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,469.89 : 272,205.27 = 55,111.10 : x
  2. Step 2: Convert to fraction form
    181,469.89/272,205.27 = 55,111.10/x
  3. Step 3: Cross multiply
    181,469.89x = 272,205.27 × 55,111.10
  4. Step 4: Simplify right side
    181,469.89x = 15,001,530,494.47
  5. Step 5: Solve for x
    x = 15,001,530,494.47/181,469.89
  6. Step 6: Final answer
    x = 82,666.78

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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.