Home / 149,986.36-206,561.10-146,720.44

Finding the Fourth Proportional to 149,986.36, 206,561.10 and 146,720.44

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Solution

The fourth proportional to 149,986.36, 206,561.10 and 146,720.44 is: 202,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,986.36 : 206,561.10 = 146,720.44 : x
  2. Step 2: Convert to fraction form
    149,986.36/206,561.10 = 146,720.44/x
  3. Step 3: Cross multiply
    149,986.36x = 206,561.10 × 146,720.44
  4. Step 4: Simplify right side
    149,986.36x = 30,306,735,478.88
  5. Step 5: Solve for x
    x = 30,306,735,478.88/149,986.36
  6. Step 6: Final answer
    x = 202,063.28

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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.