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Finding the Fourth Proportional to 146,745.60, 220,142.70 and 62,546.10

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Solution

The fourth proportional to 146,745.60, 220,142.70 and 62,546.10 is: 93,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,745.60 : 220,142.70 = 62,546.10 : x
  2. Step 2: Convert to fraction form
    146,745.60/220,142.70 = 62,546.10/x
  3. Step 3: Cross multiply
    146,745.60x = 220,142.70 × 62,546.10
  4. Step 4: Simplify right side
    146,745.60x = 13,769,067,328.47
  5. Step 5: Solve for x
    x = 13,769,067,328.47/146,745.60
  6. Step 6: Final answer
    x = 93,829.51

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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.