Home / 150,025.14-225,148.47-71,139.63

Finding the Fourth Proportional to 150,025.14, 225,148.47 and 71,139.63

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Solution

The fourth proportional to 150,025.14, 225,148.47 and 71,139.63 is: 106,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,025.14 : 225,148.47 = 71,139.63 : x
  2. Step 2: Convert to fraction form
    150,025.14/225,148.47 = 71,139.63/x
  3. Step 3: Cross multiply
    150,025.14x = 225,148.47 × 71,139.63
  4. Step 4: Simplify right side
    150,025.14x = 16,016,978,850.87
  5. Step 5: Solve for x
    x = 16,016,978,850.87/150,025.14
  6. Step 6: Final answer
    x = 106,761.97

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1.5x scale

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.