Home / 106,642.30-159,840.42-40,039.95

Finding the Fourth Proportional to 106,642.30, 159,840.42 and 40,039.95

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Solution

The fourth proportional to 106,642.30, 159,840.42 and 40,039.95 is: 60,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,642.30 : 159,840.42 = 40,039.95 : x
  2. Step 2: Convert to fraction form
    106,642.30/159,840.42 = 40,039.95/x
  3. Step 3: Cross multiply
    106,642.30x = 159,840.42 × 40,039.95
  4. Step 4: Simplify right side
    106,642.30x = 6,400,002,424.78
  5. Step 5: Solve for x
    x = 6,400,002,424.78/106,642.30
  6. Step 6: Final answer
    x = 60,013.73

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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.