Home / 149,597.33-206,418.92-89,166.87

Finding the Fourth Proportional to 149,597.33, 206,418.92 and 89,166.87

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Solution

The fourth proportional to 149,597.33, 206,418.92 and 89,166.87 is: 123,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,597.33 : 206,418.92 = 89,166.87 : x
  2. Step 2: Convert to fraction form
    149,597.33/206,418.92 = 89,166.87/x
  3. Step 3: Cross multiply
    149,597.33x = 206,418.92 × 89,166.87
  4. Step 4: Simplify right side
    149,597.33x = 18,405,728,559.35
  5. Step 5: Solve for x
    x = 18,405,728,559.35/149,597.33
  6. Step 6: Final answer
    x = 123,035.14

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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.