Home / 147,027.20-220,297.60-84,588.80

Finding the Fourth Proportional to 147,027.20, 220,297.60 and 84,588.80

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Solution

The fourth proportional to 147,027.20, 220,297.60 and 84,588.80 is: 126,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,027.20 : 220,297.60 = 84,588.80 : x
  2. Step 2: Convert to fraction form
    147,027.20/220,297.60 = 84,588.80/x
  3. Step 3: Cross multiply
    147,027.20x = 220,297.60 × 84,588.80
  4. Step 4: Simplify right side
    147,027.20x = 18,634,709,626.88
  5. Step 5: Solve for x
    x = 18,634,709,626.88/147,027.20
  6. Step 6: Final answer
    x = 126,743.28

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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.