Home / 149,091.80-223,896.90-79,107.80

Finding the Fourth Proportional to 149,091.80, 223,896.90 and 79,107.80

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Solution

The fourth proportional to 149,091.80, 223,896.90 and 79,107.80 is: 118,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,091.80 : 223,896.90 = 79,107.80 : x
  2. Step 2: Convert to fraction form
    149,091.80/223,896.90 = 79,107.80/x
  3. Step 3: Cross multiply
    149,091.80x = 223,896.90 × 79,107.80
  4. Step 4: Simplify right side
    149,091.80x = 17,711,991,185.82
  5. Step 5: Solve for x
    x = 17,711,991,185.82/149,091.80
  6. Step 6: Final answer
    x = 118,799.23

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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.