Home / 121,413.22-182,076.08-51,298

Finding the Fourth Proportional to 121,413.22, 182,076.08 and 51,298

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Solution

The fourth proportional to 121,413.22, 182,076.08 and 51,298 is: 76,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,413.22 : 182,076.08 = 51,298 : x
  2. Step 2: Convert to fraction form
    121,413.22/182,076.08 = 51,298/x
  3. Step 3: Cross multiply
    121,413.22x = 182,076.08 × 51,298
  4. Step 4: Simplify right side
    121,413.22x = 9,340,138,751.84
  5. Step 5: Solve for x
    x = 9,340,138,751.84/121,413.22
  6. Step 6: Final answer
    x = 76,928.52

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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.