Home / 91,480.86-137,202.09-25,801.50

Finding the Fourth Proportional to 91,480.86, 137,202.09 and 25,801.50

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Solution

The fourth proportional to 91,480.86, 137,202.09 and 25,801.50 is: 38,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,480.86 : 137,202.09 = 25,801.50 : x
  2. Step 2: Convert to fraction form
    91,480.86/137,202.09 = 25,801.50/x
  3. Step 3: Cross multiply
    91,480.86x = 137,202.09 × 25,801.50
  4. Step 4: Simplify right side
    91,480.86x = 3,540,019,725.14
  5. Step 5: Solve for x
    x = 3,540,019,725.14/91,480.86
  6. Step 6: Final answer
    x = 38,696.83

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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.