Home / 146,811.40-220,217.10-87,616.60

Finding the Fourth Proportional to 146,811.40, 220,217.10 and 87,616.60

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Solution

The fourth proportional to 146,811.40, 220,217.10 and 87,616.60 is: 131,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,811.40 : 220,217.10 = 87,616.60 : x
  2. Step 2: Convert to fraction form
    146,811.40/220,217.10 = 87,616.60/x
  3. Step 3: Cross multiply
    146,811.40x = 220,217.10 × 87,616.60
  4. Step 4: Simplify right side
    146,811.40x = 19,294,673,563.86
  5. Step 5: Solve for x
    x = 19,294,673,563.86/146,811.40
  6. Step 6: Final answer
    x = 131,424.90

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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.