Home / 150,816.87-225,880.76-71,986.45

Finding the Fourth Proportional to 150,816.87, 225,880.76 and 71,986.45

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Solution

The fourth proportional to 150,816.87, 225,880.76 and 71,986.45 is: 107,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,816.87 : 225,880.76 = 71,986.45 : x
  2. Step 2: Convert to fraction form
    150,816.87/225,880.76 = 71,986.45/x
  3. Step 3: Cross multiply
    150,816.87x = 225,880.76 × 71,986.45
  4. Step 4: Simplify right side
    150,816.87x = 16,260,353,675.77
  5. Step 5: Solve for x
    x = 16,260,353,675.77/150,816.87
  6. Step 6: Final answer
    x = 107,815.22

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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.