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Finding the Fourth Proportional to 163,203.96, 244,700.70 and 68,500.49

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Solution

The fourth proportional to 163,203.96, 244,700.70 and 68,500.49 is: 102,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,203.96 : 244,700.70 = 68,500.49 : x
  2. Step 2: Convert to fraction form
    163,203.96/244,700.70 = 68,500.49/x
  3. Step 3: Cross multiply
    163,203.96x = 244,700.70 × 68,500.49
  4. Step 4: Simplify right side
    163,203.96x = 16,762,116,372.96
  5. Step 5: Solve for x
    x = 16,762,116,372.96/163,203.96
  6. Step 6: Final answer
    x = 102,706.55

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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.