Home / 91,835.62-137,766.57-28,661.41

Finding the Fourth Proportional to 91,835.62, 137,766.57 and 28,661.41

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Solution

The fourth proportional to 91,835.62, 137,766.57 and 28,661.41 is: 42,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,835.62 : 137,766.57 = 28,661.41 : x
  2. Step 2: Convert to fraction form
    91,835.62/137,766.57 = 28,661.41/x
  3. Step 3: Cross multiply
    91,835.62x = 137,766.57 × 28,661.41
  4. Step 4: Simplify right side
    91,835.62x = 3,948,584,147.06
  5. Step 5: Solve for x
    x = 3,948,584,147.06/91,835.62
  6. Step 6: Final answer
    x = 42,996.22

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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.