Home / 149,679.42-206,359.11-124,089.18

Finding the Fourth Proportional to 149,679.42, 206,359.11 and 124,089.18

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Solution

The fourth proportional to 149,679.42, 206,359.11 and 124,089.18 is: 171,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,679.42 : 206,359.11 = 124,089.18 : x
  2. Step 2: Convert to fraction form
    149,679.42/206,359.11 = 124,089.18/x
  3. Step 3: Cross multiply
    149,679.42x = 206,359.11 × 124,089.18
  4. Step 4: Simplify right side
    149,679.42x = 25,606,932,745.43
  5. Step 5: Solve for x
    x = 25,606,932,745.43/149,679.42
  6. Step 6: Final answer
    x = 171,078.51

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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.