Home / 117,936.78-162,912-94,229.70

Finding the Fourth Proportional to 117,936.78, 162,912 and 94,229.70

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Solution

The fourth proportional to 117,936.78, 162,912 and 94,229.70 is: 130,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,936.78 : 162,912 = 94,229.70 : x
  2. Step 2: Convert to fraction form
    117,936.78/162,912 = 94,229.70/x
  3. Step 3: Cross multiply
    117,936.78x = 162,912 × 94,229.70
  4. Step 4: Simplify right side
    117,936.78x = 15,351,148,886.40
  5. Step 5: Solve for x
    x = 15,351,148,886.40/117,936.78
  6. Step 6: Final answer
    x = 130,164.22

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1.5x scale

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.