Home / 150,756.22-225,838.76-87,443.33

Finding the Fourth Proportional to 150,756.22, 225,838.76 and 87,443.33

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Solution

The fourth proportional to 150,756.22, 225,838.76 and 87,443.33 is: 130,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,756.22 : 225,838.76 = 87,443.33 : x
  2. Step 2: Convert to fraction form
    150,756.22/225,838.76 = 87,443.33/x
  3. Step 3: Cross multiply
    150,756.22x = 225,838.76 × 87,443.33
  4. Step 4: Simplify right side
    150,756.22x = 19,748,093,217.47
  5. Step 5: Solve for x
    x = 19,748,093,217.47/150,756.22
  6. Step 6: Final answer
    x = 130,993.56

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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.