Home / 181,481.22-272,128.14-81,556.02

Finding the Fourth Proportional to 181,481.22, 272,128.14 and 81,556.02

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Solution

The fourth proportional to 181,481.22, 272,128.14 and 81,556.02 is: 122,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,481.22 : 272,128.14 = 81,556.02 : x
  2. Step 2: Convert to fraction form
    181,481.22/272,128.14 = 81,556.02/x
  3. Step 3: Cross multiply
    181,481.22x = 272,128.14 × 81,556.02
  4. Step 4: Simplify right side
    181,481.22x = 22,193,688,028.40
  5. Step 5: Solve for x
    x = 22,193,688,028.40/181,481.22
  6. Step 6: Final answer
    x = 122,291.93

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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.