Home / 146,511.20-219,939.60-83,381.60

Finding the Fourth Proportional to 146,511.20, 219,939.60 and 83,381.60

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Solution

The fourth proportional to 146,511.20, 219,939.60 and 83,381.60 is: 125,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,511.20 : 219,939.60 = 83,381.60 : x
  2. Step 2: Convert to fraction form
    146,511.20/219,939.60 = 83,381.60/x
  3. Step 3: Cross multiply
    146,511.20x = 219,939.60 × 83,381.60
  4. Step 4: Simplify right side
    146,511.20x = 18,338,915,751.36
  5. Step 5: Solve for x
    x = 18,338,915,751.36/146,511.20
  6. Step 6: Final answer
    x = 125,170.74

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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.