Home / 146,540.60-219,745.20-57,748.40

Finding the Fourth Proportional to 146,540.60, 219,745.20 and 57,748.40

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Solution

The fourth proportional to 146,540.60, 219,745.20 and 57,748.40 is: 86,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.60 : 219,745.20 = 57,748.40 : x
  2. Step 2: Convert to fraction form
    146,540.60/219,745.20 = 57,748.40/x
  3. Step 3: Cross multiply
    146,540.60x = 219,745.20 × 57,748.40
  4. Step 4: Simplify right side
    146,540.60x = 12,689,933,707.68
  5. Step 5: Solve for x
    x = 12,689,933,707.68/146,540.60
  6. Step 6: Final answer
    x = 86,596.71

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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.