Home / 150,385.65-225,578.64-45,204.61

Finding the Fourth Proportional to 150,385.65, 225,578.64 and 45,204.61

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Solution

The fourth proportional to 150,385.65, 225,578.64 and 45,204.61 is: 67,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,385.65 : 225,578.64 = 45,204.61 : x
  2. Step 2: Convert to fraction form
    150,385.65/225,578.64 = 45,204.61/x
  3. Step 3: Cross multiply
    150,385.65x = 225,578.64 × 45,204.61
  4. Step 4: Simplify right side
    150,385.65x = 10,197,194,219.51
  5. Step 5: Solve for x
    x = 10,197,194,219.51/150,385.65
  6. Step 6: Final answer
    x = 67,806.97

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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.