Home / 121,570.40-182,300.88-51,413.60

Finding the Fourth Proportional to 121,570.40, 182,300.88 and 51,413.60

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Solution

The fourth proportional to 121,570.40, 182,300.88 and 51,413.60 is: 77,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,570.40 : 182,300.88 = 51,413.60 : x
  2. Step 2: Convert to fraction form
    121,570.40/182,300.88 = 51,413.60/x
  3. Step 3: Cross multiply
    121,570.40x = 182,300.88 × 51,413.60
  4. Step 4: Simplify right side
    121,570.40x = 9,372,744,523.97
  5. Step 5: Solve for x
    x = 9,372,744,523.97/121,570.40
  6. Step 6: Final answer
    x = 77,097.26

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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.