Home / 146,530.20-219,819.60-57,786.60

Finding the Fourth Proportional to 146,530.20, 219,819.60 and 57,786.60

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Solution

The fourth proportional to 146,530.20, 219,819.60 and 57,786.60 is: 86,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,530.20 : 219,819.60 = 57,786.60 : x
  2. Step 2: Convert to fraction form
    146,530.20/219,819.60 = 57,786.60/x
  3. Step 3: Cross multiply
    146,530.20x = 219,819.60 × 57,786.60
  4. Step 4: Simplify right side
    146,530.20x = 12,702,627,297.36
  5. Step 5: Solve for x
    x = 12,702,627,297.36/146,530.20
  6. Step 6: Final answer
    x = 86,689.48

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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.