Home / 181,897.68-272,884.32-76,717.56

Finding the Fourth Proportional to 181,897.68, 272,884.32 and 76,717.56

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Solution

The fourth proportional to 181,897.68, 272,884.32 and 76,717.56 is: 115,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,897.68 : 272,884.32 = 76,717.56 : x
  2. Step 2: Convert to fraction form
    181,897.68/272,884.32 = 76,717.56/x
  3. Step 3: Cross multiply
    181,897.68x = 272,884.32 × 76,717.56
  4. Step 4: Simplify right side
    181,897.68x = 20,935,019,192.66
  5. Step 5: Solve for x
    x = 20,935,019,192.66/181,897.68
  6. Step 6: Final answer
    x = 115,092.28

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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.