Home / 150,419.39-225,570.76-80,260.43

Finding the Fourth Proportional to 150,419.39, 225,570.76 and 80,260.43

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Solution

The fourth proportional to 150,419.39, 225,570.76 and 80,260.43 is: 120,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,419.39 : 225,570.76 = 80,260.43 : x
  2. Step 2: Convert to fraction form
    150,419.39/225,570.76 = 80,260.43/x
  3. Step 3: Cross multiply
    150,419.39x = 225,570.76 × 80,260.43
  4. Step 4: Simplify right side
    150,419.39x = 18,104,406,193.03
  5. Step 5: Solve for x
    x = 18,104,406,193.03/150,419.39
  6. Step 6: Final answer
    x = 120,359.52

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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.