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Finding the Fourth Proportional to 68,223.96, 102,300.30 and 21,464.28

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Solution

The fourth proportional to 68,223.96, 102,300.30 and 21,464.28 is: 32,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,223.96 : 102,300.30 = 21,464.28 : x
  2. Step 2: Convert to fraction form
    68,223.96/102,300.30 = 21,464.28/x
  3. Step 3: Cross multiply
    68,223.96x = 102,300.30 × 21,464.28
  4. Step 4: Simplify right side
    68,223.96x = 2,195,802,283.28
  5. Step 5: Solve for x
    x = 2,195,802,283.28/68,223.96
  6. Step 6: Final answer
    x = 32,185.21

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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.