Home / 150,784.20-225,880.64-87,471.36

Finding the Fourth Proportional to 150,784.20, 225,880.64 and 87,471.36

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Solution

The fourth proportional to 150,784.20, 225,880.64 and 87,471.36 is: 131,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,784.20 : 225,880.64 = 87,471.36 : x
  2. Step 2: Convert to fraction form
    150,784.20/225,880.64 = 87,471.36/x
  3. Step 3: Cross multiply
    150,784.20x = 225,880.64 × 87,471.36
  4. Step 4: Simplify right side
    150,784.20x = 19,758,086,778.47
  5. Step 5: Solve for x
    x = 19,758,086,778.47/150,784.20
  6. Step 6: Final answer
    x = 131,035.52

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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.