Home / 143,540.33-215,080.86-122,413.91

Finding the Fourth Proportional to 143,540.33, 215,080.86 and 122,413.91

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Solution

The fourth proportional to 143,540.33, 215,080.86 and 122,413.91 is: 183,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,540.33 : 215,080.86 = 122,413.91 : x
  2. Step 2: Convert to fraction form
    143,540.33/215,080.86 = 122,413.91/x
  3. Step 3: Cross multiply
    143,540.33x = 215,080.86 × 122,413.91
  4. Step 4: Simplify right side
    143,540.33x = 26,328,888,166.60
  5. Step 5: Solve for x
    x = 26,328,888,166.60/143,540.33
  6. Step 6: Final answer
    x = 183,425.02

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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.