Home / 146,996.61-220,217.43-86,845.60

Finding the Fourth Proportional to 146,996.61, 220,217.43 and 86,845.60

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Solution

The fourth proportional to 146,996.61, 220,217.43 and 86,845.60 is: 130,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,996.61 : 220,217.43 = 86,845.60 : x
  2. Step 2: Convert to fraction form
    146,996.61/220,217.43 = 86,845.60/x
  3. Step 3: Cross multiply
    146,996.61x = 220,217.43 × 86,845.60
  4. Step 4: Simplify right side
    146,996.61x = 19,124,915,439.75
  5. Step 5: Solve for x
    x = 19,124,915,439.75/146,996.61
  6. Step 6: Final answer
    x = 130,104.47

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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.