Home / 150,518.06-225,912.45-80,457.26

Finding the Fourth Proportional to 150,518.06, 225,912.45 and 80,457.26

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Solution

The fourth proportional to 150,518.06, 225,912.45 and 80,457.26 is: 120,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,518.06 : 225,912.45 = 80,457.26 : x
  2. Step 2: Convert to fraction form
    150,518.06/225,912.45 = 80,457.26/x
  3. Step 3: Cross multiply
    150,518.06x = 225,912.45 × 80,457.26
  4. Step 4: Simplify right side
    150,518.06x = 18,176,296,726.89
  5. Step 5: Solve for x
    x = 18,176,296,726.89/150,518.06
  6. Step 6: Final answer
    x = 120,758.24

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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.