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Finding the Fourth Proportional to 104,110, 156,169.32 and 30,238

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Solution

The fourth proportional to 104,110, 156,169.32 and 30,238 is: 45,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,110 : 156,169.32 = 30,238 : x
  2. Step 2: Convert to fraction form
    104,110/156,169.32 = 30,238/x
  3. Step 3: Cross multiply
    104,110x = 156,169.32 × 30,238
  4. Step 4: Simplify right side
    104,110x = 4,722,247,898.16
  5. Step 5: Solve for x
    x = 4,722,247,898.16/104,110
  6. Step 6: Final answer
    x = 45,358.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.