Home / 91,770.39-137,640.06-25,195.05

Finding the Fourth Proportional to 91,770.39, 137,640.06 and 25,195.05

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Solution

The fourth proportional to 91,770.39, 137,640.06 and 25,195.05 is: 37,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,770.39 : 137,640.06 = 25,195.05 : x
  2. Step 2: Convert to fraction form
    91,770.39/137,640.06 = 25,195.05/x
  3. Step 3: Cross multiply
    91,770.39x = 137,640.06 × 25,195.05
  4. Step 4: Simplify right side
    91,770.39x = 3,467,848,193.70
  5. Step 5: Solve for x
    x = 3,467,848,193.70/91,770.39
  6. Step 6: Final answer
    x = 37,788.31

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1.5x scale

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.