Home / 137,664.24-206,413.76-47,677.36

Finding the Fourth Proportional to 137,664.24, 206,413.76 and 47,677.36

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Solution

The fourth proportional to 137,664.24, 206,413.76 and 47,677.36 is: 71,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,664.24 : 206,413.76 = 47,677.36 : x
  2. Step 2: Convert to fraction form
    137,664.24/206,413.76 = 47,677.36/x
  3. Step 3: Cross multiply
    137,664.24x = 206,413.76 × 47,677.36
  4. Step 4: Simplify right side
    137,664.24x = 9,841,263,144.47
  5. Step 5: Solve for x
    x = 9,841,263,144.47/137,664.24
  6. Step 6: Final answer
    x = 71,487.43

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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.