Home / 150,023.13-225,145.46-71,137.63

Finding the Fourth Proportional to 150,023.13, 225,145.46 and 71,137.63

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Solution

The fourth proportional to 150,023.13, 225,145.46 and 71,137.63 is: 106,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,023.13 : 225,145.46 = 71,137.63 : x
  2. Step 2: Convert to fraction form
    150,023.13/225,145.46 = 71,137.63/x
  3. Step 3: Cross multiply
    150,023.13x = 225,145.46 × 71,137.63
  4. Step 4: Simplify right side
    150,023.13x = 16,016,314,429.66
  5. Step 5: Solve for x
    x = 16,016,314,429.66/150,023.13
  6. Step 6: Final answer
    x = 106,758.97

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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.