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Finding the Fourth Proportional to 104,708, 157,112.40 and 52,122.08

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Solution

The fourth proportional to 104,708, 157,112.40 and 52,122.08 is: 78,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,708 : 157,112.40 = 52,122.08 : x
  2. Step 2: Convert to fraction form
    104,708/157,112.40 = 52,122.08/x
  3. Step 3: Cross multiply
    104,708x = 157,112.40 × 52,122.08
  4. Step 4: Simplify right side
    104,708x = 8,189,025,081.79
  5. Step 5: Solve for x
    x = 8,189,025,081.79/104,708
  6. Step 6: Final answer
    x = 78,208.21

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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.