Home / 146,893.39-220,345.31-47,040.61

Finding the Fourth Proportional to 146,893.39, 220,345.31 and 47,040.61

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Solution

The fourth proportional to 146,893.39, 220,345.31 and 47,040.61 is: 70,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,893.39 : 220,345.31 = 47,040.61 : x
  2. Step 2: Convert to fraction form
    146,893.39/220,345.31 = 47,040.61/x
  3. Step 3: Cross multiply
    146,893.39x = 220,345.31 × 47,040.61
  4. Step 4: Simplify right side
    146,893.39x = 10,365,177,006.97
  5. Step 5: Solve for x
    x = 10,365,177,006.97/146,893.39
  6. Step 6: Final answer
    x = 70,562.58

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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.