Home / 149,043.98-223,511.90-81,626.12

Finding the Fourth Proportional to 149,043.98, 223,511.90 and 81,626.12

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Solution

The fourth proportional to 149,043.98, 223,511.90 and 81,626.12 is: 122,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,043.98 : 223,511.90 = 81,626.12 : x
  2. Step 2: Convert to fraction form
    149,043.98/223,511.90 = 81,626.12/x
  3. Step 3: Cross multiply
    149,043.98x = 223,511.90 × 81,626.12
  4. Step 4: Simplify right side
    149,043.98x = 18,244,407,645.14
  5. Step 5: Solve for x
    x = 18,244,407,645.14/149,043.98
  6. Step 6: Final answer
    x = 122,409.56

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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.