Home / 146,336.80-219,496.56-90,187.60

Finding the Fourth Proportional to 146,336.80, 219,496.56 and 90,187.60

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Solution

The fourth proportional to 146,336.80, 219,496.56 and 90,187.60 is: 135,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,336.80 : 219,496.56 = 90,187.60 : x
  2. Step 2: Convert to fraction form
    146,336.80/219,496.56 = 90,187.60/x
  3. Step 3: Cross multiply
    146,336.80x = 219,496.56 × 90,187.60
  4. Step 4: Simplify right side
    146,336.80x = 19,795,867,954.66
  5. Step 5: Solve for x
    x = 19,795,867,954.66/146,336.80
  6. Step 6: Final answer
    x = 135,276.08

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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.