Home / 150,308.70-225,356.26-75,374.80

Finding the Fourth Proportional to 150,308.70, 225,356.26 and 75,374.80

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Solution

The fourth proportional to 150,308.70, 225,356.26 and 75,374.80 is: 113,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,308.70 : 225,356.26 = 75,374.80 : x
  2. Step 2: Convert to fraction form
    150,308.70/225,356.26 = 75,374.80/x
  3. Step 3: Cross multiply
    150,308.70x = 225,356.26 × 75,374.80
  4. Step 4: Simplify right side
    150,308.70x = 16,986,183,026.25
  5. Step 5: Solve for x
    x = 16,986,183,026.25/150,308.70
  6. Step 6: Final answer
    x = 113,008.65

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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.