Home / 150,014.14-225,131.94-71,128.66

Finding the Fourth Proportional to 150,014.14, 225,131.94 and 71,128.66

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Solution

The fourth proportional to 150,014.14, 225,131.94 and 71,128.66 is: 106,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,014.14 : 225,131.94 = 71,128.66 : x
  2. Step 2: Convert to fraction form
    150,014.14/225,131.94 = 71,128.66/x
  3. Step 3: Cross multiply
    150,014.14x = 225,131.94 × 71,128.66
  4. Step 4: Simplify right side
    150,014.14x = 16,013,333,215.40
  5. Step 5: Solve for x
    x = 16,013,333,215.40/150,014.14
  6. Step 6: Final answer
    x = 106,745.49

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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.