Home / 150,135.60-225,065.16-71,286.96

Finding the Fourth Proportional to 150,135.60, 225,065.16 and 71,286.96

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Solution

The fourth proportional to 150,135.60, 225,065.16 and 71,286.96 is: 106,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,135.60 : 225,065.16 = 71,286.96 : x
  2. Step 2: Convert to fraction form
    150,135.60/225,065.16 = 71,286.96/x
  3. Step 3: Cross multiply
    150,135.60x = 225,065.16 × 71,286.96
  4. Step 4: Simplify right side
    150,135.60x = 16,044,211,058.31
  5. Step 5: Solve for x
    x = 16,044,211,058.31/150,135.60
  6. Step 6: Final answer
    x = 106,864.80

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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.