Home / 150,438.68-225,436.22-83,787

Finding the Fourth Proportional to 150,438.68, 225,436.22 and 83,787

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Solution

The fourth proportional to 150,438.68, 225,436.22 and 83,787 is: 125,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,438.68 : 225,436.22 = 83,787 : x
  2. Step 2: Convert to fraction form
    150,438.68/225,436.22 = 83,787/x
  3. Step 3: Cross multiply
    150,438.68x = 225,436.22 × 83,787
  4. Step 4: Simplify right side
    150,438.68x = 18,888,624,565.14
  5. Step 5: Solve for x
    x = 18,888,624,565.14/150,438.68
  6. Step 6: Final answer
    x = 125,556.97

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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.