Home / 146,190.60-219,176.55-79,705.80

Finding the Fourth Proportional to 146,190.60, 219,176.55 and 79,705.80

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Solution

The fourth proportional to 146,190.60, 219,176.55 and 79,705.80 is: 119,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,190.60 : 219,176.55 = 79,705.80 : x
  2. Step 2: Convert to fraction form
    146,190.60/219,176.55 = 79,705.80/x
  3. Step 3: Cross multiply
    146,190.60x = 219,176.55 × 79,705.80
  4. Step 4: Simplify right side
    146,190.60x = 17,469,642,258.99
  5. Step 5: Solve for x
    x = 17,469,642,258.99/146,190.60
  6. Step 6: Final answer
    x = 119,499.08

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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.