Home / 208,836.63-288,194.83-113,343.33

Finding the Fourth Proportional to 208,836.63, 288,194.83 and 113,343.33

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Solution

The fourth proportional to 208,836.63, 288,194.83 and 113,343.33 is: 156,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,836.63 : 288,194.83 = 113,343.33 : x
  2. Step 2: Convert to fraction form
    208,836.63/288,194.83 = 113,343.33/x
  3. Step 3: Cross multiply
    208,836.63x = 288,194.83 × 113,343.33
  4. Step 4: Simplify right side
    208,836.63x = 32,664,960,325.80
  5. Step 5: Solve for x
    x = 32,664,960,325.80/208,836.63
  6. Step 6: Final answer
    x = 156,413.94

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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.