Home / 109,450.20-163,674.99-79,564.83

Finding the Fourth Proportional to 109,450.20, 163,674.99 and 79,564.83

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Solution

The fourth proportional to 109,450.20, 163,674.99 and 79,564.83 is: 118,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,450.20 : 163,674.99 = 79,564.83 : x
  2. Step 2: Convert to fraction form
    109,450.20/163,674.99 = 79,564.83/x
  3. Step 3: Cross multiply
    109,450.20x = 163,674.99 × 79,564.83
  4. Step 4: Simplify right side
    109,450.20x = 13,022,772,754.60
  5. Step 5: Solve for x
    x = 13,022,772,754.60/109,450.20
  6. Step 6: Final answer
    x = 118,983.54

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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.