Home / 68,153.39-102,246.53-21,406.26

Finding the Fourth Proportional to 68,153.39, 102,246.53 and 21,406.26

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Solution

The fourth proportional to 68,153.39, 102,246.53 and 21,406.26 is: 32,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,153.39 : 102,246.53 = 21,406.26 : x
  2. Step 2: Convert to fraction form
    68,153.39/102,246.53 = 21,406.26/x
  3. Step 3: Cross multiply
    68,153.39x = 102,246.53 × 21,406.26
  4. Step 4: Simplify right side
    68,153.39x = 2,188,715,698.25
  5. Step 5: Solve for x
    x = 2,188,715,698.25/68,153.39
  6. Step 6: Final answer
    x = 32,114.56

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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.