Home / 146,837.68-220,327.08-80,275.12

Finding the Fourth Proportional to 146,837.68, 220,327.08 and 80,275.12

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Solution

The fourth proportional to 146,837.68, 220,327.08 and 80,275.12 is: 120,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,837.68 : 220,327.08 = 80,275.12 : x
  2. Step 2: Convert to fraction form
    146,837.68/220,327.08 = 80,275.12/x
  3. Step 3: Cross multiply
    146,837.68x = 220,327.08 × 80,275.12
  4. Step 4: Simplify right side
    146,837.68x = 17,686,782,786.25
  5. Step 5: Solve for x
    x = 17,686,782,786.25/146,837.68
  6. Step 6: Final answer
    x = 120,451.25

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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.