Home / 146,840.80-219,969.60-87,500.20

Finding the Fourth Proportional to 146,840.80, 219,969.60 and 87,500.20

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Solution

The fourth proportional to 146,840.80, 219,969.60 and 87,500.20 is: 131,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,840.80 : 219,969.60 = 87,500.20 : x
  2. Step 2: Convert to fraction form
    146,840.80/219,969.60 = 87,500.20/x
  3. Step 3: Cross multiply
    146,840.80x = 219,969.60 × 87,500.20
  4. Step 4: Simplify right side
    146,840.80x = 19,247,383,993.92
  5. Step 5: Solve for x
    x = 19,247,383,993.92/146,840.80
  6. Step 6: Final answer
    x = 131,076.54

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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.