Home / 134,147.94-185,083.78-80,413.35

Finding the Fourth Proportional to 134,147.94, 185,083.78 and 80,413.35

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Solution

The fourth proportional to 134,147.94, 185,083.78 and 80,413.35 is: 110,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,147.94 : 185,083.78 = 80,413.35 : x
  2. Step 2: Convert to fraction form
    134,147.94/185,083.78 = 80,413.35/x
  3. Step 3: Cross multiply
    134,147.94x = 185,083.78 × 80,413.35
  4. Step 4: Simplify right side
    134,147.94x = 14,883,205,654.01
  5. Step 5: Solve for x
    x = 14,883,205,654.01/134,147.94
  6. Step 6: Final answer
    x = 110,946.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.