Home / 150,453.45-225,684.63-66,169.89

Finding the Fourth Proportional to 150,453.45, 225,684.63 and 66,169.89

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Solution

The fourth proportional to 150,453.45, 225,684.63 and 66,169.89 is: 99,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,453.45 : 225,684.63 = 66,169.89 : x
  2. Step 2: Convert to fraction form
    150,453.45/225,684.63 = 66,169.89/x
  3. Step 3: Cross multiply
    150,453.45x = 225,684.63 × 66,169.89
  4. Step 4: Simplify right side
    150,453.45x = 14,933,527,141.79
  5. Step 5: Solve for x
    x = 14,933,527,141.79/150,453.45
  6. Step 6: Final answer
    x = 99,256.79

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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.