Home / 146,556.40-219,834.60-80,201.20

Finding the Fourth Proportional to 146,556.40, 219,834.60 and 80,201.20

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Solution

The fourth proportional to 146,556.40, 219,834.60 and 80,201.20 is: 120,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,556.40 : 219,834.60 = 80,201.20 : x
  2. Step 2: Convert to fraction form
    146,556.40/219,834.60 = 80,201.20/x
  3. Step 3: Cross multiply
    146,556.40x = 219,834.60 × 80,201.20
  4. Step 4: Simplify right side
    146,556.40x = 17,630,998,721.52
  5. Step 5: Solve for x
    x = 17,630,998,721.52/146,556.40
  6. Step 6: Final answer
    x = 120,301.80

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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.