Home / 68,722.16-103,099.38-21,334.83

Finding the Fourth Proportional to 68,722.16, 103,099.38 and 21,334.83

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Solution

The fourth proportional to 68,722.16, 103,099.38 and 21,334.83 is: 32,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,722.16 : 103,099.38 = 21,334.83 : x
  2. Step 2: Convert to fraction form
    68,722.16/103,099.38 = 21,334.83/x
  3. Step 3: Cross multiply
    68,722.16x = 103,099.38 × 21,334.83
  4. Step 4: Simplify right side
    68,722.16x = 2,199,607,745.41
  5. Step 5: Solve for x
    x = 2,199,607,745.41/68,722.16
  6. Step 6: Final answer
    x = 32,007.26

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1.5x scale

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.