Home / 181,629.80-272,444.70-81,837.80

Finding the Fourth Proportional to 181,629.80, 272,444.70 and 81,837.80

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Solution

The fourth proportional to 181,629.80, 272,444.70 and 81,837.80 is: 122,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,629.80 : 272,444.70 = 81,837.80 : x
  2. Step 2: Convert to fraction form
    181,629.80/272,444.70 = 81,837.80/x
  3. Step 3: Cross multiply
    181,629.80x = 272,444.70 × 81,837.80
  4. Step 4: Simplify right side
    181,629.80x = 22,296,274,869.66
  5. Step 5: Solve for x
    x = 22,296,274,869.66/181,629.80
  6. Step 6: Final answer
    x = 122,756.70

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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.