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Finding the Fourth Proportional to 122,150.30, 168,562.85 and 71,165.84

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Solution

The fourth proportional to 122,150.30, 168,562.85 and 71,165.84 is: 98,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,150.30 : 168,562.85 = 71,165.84 : x
  2. Step 2: Convert to fraction form
    122,150.30/168,562.85 = 71,165.84/x
  3. Step 3: Cross multiply
    122,150.30x = 168,562.85 × 71,165.84
  4. Step 4: Simplify right side
    122,150.30x = 11,995,915,614.40
  5. Step 5: Solve for x
    x = 11,995,915,614.40/122,150.30
  6. Step 6: Final answer
    x = 98,206.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.