Home / 150,017.89-225,137.57-71,132.41

Finding the Fourth Proportional to 150,017.89, 225,137.57 and 71,132.41

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Solution

The fourth proportional to 150,017.89, 225,137.57 and 71,132.41 is: 106,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,017.89 : 225,137.57 = 71,132.41 : x
  2. Step 2: Convert to fraction form
    150,017.89/225,137.57 = 71,132.41/x
  3. Step 3: Cross multiply
    150,017.89x = 225,137.57 × 71,132.41
  4. Step 4: Simplify right side
    150,017.89x = 16,014,577,935.64
  5. Step 5: Solve for x
    x = 16,014,577,935.64/150,017.89
  6. Step 6: Final answer
    x = 106,751.12

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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.