Home / 118,259.90-177,413.20-43,380.73

Finding the Fourth Proportional to 118,259.90, 177,413.20 and 43,380.73

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Solution

The fourth proportional to 118,259.90, 177,413.20 and 43,380.73 is: 65,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,259.90 : 177,413.20 = 43,380.73 : x
  2. Step 2: Convert to fraction form
    118,259.90/177,413.20 = 43,380.73/x
  3. Step 3: Cross multiply
    118,259.90x = 177,413.20 × 43,380.73
  4. Step 4: Simplify right side
    118,259.90x = 7,696,314,484.97
  5. Step 5: Solve for x
    x = 7,696,314,484.97/118,259.90
  6. Step 6: Final answer
    x = 65,079.66

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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.