Home / 91,766.39-137,649.31-25,206.58

Finding the Fourth Proportional to 91,766.39, 137,649.31 and 25,206.58

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Solution

The fourth proportional to 91,766.39, 137,649.31 and 25,206.58 is: 37,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,766.39 : 137,649.31 = 25,206.58 : x
  2. Step 2: Convert to fraction form
    91,766.39/137,649.31 = 25,206.58/x
  3. Step 3: Cross multiply
    91,766.39x = 137,649.31 × 25,206.58
  4. Step 4: Simplify right side
    91,766.39x = 3,469,668,548.03
  5. Step 5: Solve for x
    x = 3,469,668,548.03/91,766.39
  6. Step 6: Final answer
    x = 37,809.80

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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.