Home / 161,024.56-222,262.92-100,556.71

Finding the Fourth Proportional to 161,024.56, 222,262.92 and 100,556.71

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Solution

The fourth proportional to 161,024.56, 222,262.92 and 100,556.71 is: 138,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,024.56 : 222,262.92 = 100,556.71 : x
  2. Step 2: Convert to fraction form
    161,024.56/222,262.92 = 100,556.71/x
  3. Step 3: Cross multiply
    161,024.56x = 222,262.92 × 100,556.71
  4. Step 4: Simplify right side
    161,024.56x = 22,350,027,434.54
  5. Step 5: Solve for x
    x = 22,350,027,434.54/161,024.56
  6. Step 6: Final answer
    x = 138,798.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.