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Finding the Fourth Proportional to 159,882.83, 220,614.68 and 91,902.66

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Solution

The fourth proportional to 159,882.83, 220,614.68 and 91,902.66 is: 126,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,882.83 : 220,614.68 = 91,902.66 : x
  2. Step 2: Convert to fraction form
    159,882.83/220,614.68 = 91,902.66/x
  3. Step 3: Cross multiply
    159,882.83x = 220,614.68 × 91,902.66
  4. Step 4: Simplify right side
    159,882.83x = 20,275,075,467.54
  5. Step 5: Solve for x
    x = 20,275,075,467.54/159,882.83
  6. Step 6: Final answer
    x = 126,812.09

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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.