Home / 149,626.22-206,422.22-104,331.02

Finding the Fourth Proportional to 149,626.22, 206,422.22 and 104,331.02

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Solution

The fourth proportional to 149,626.22, 206,422.22 and 104,331.02 is: 143,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,626.22 : 206,422.22 = 104,331.02 : x
  2. Step 2: Convert to fraction form
    149,626.22/206,422.22 = 104,331.02/x
  3. Step 3: Cross multiply
    149,626.22x = 206,422.22 × 104,331.02
  4. Step 4: Simplify right side
    149,626.22x = 21,536,239,991.98
  5. Step 5: Solve for x
    x = 21,536,239,991.98/149,626.22
  6. Step 6: Final answer
    x = 143,933.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.