Home / 117,939.78-162,916.14-94,232.70

Finding the Fourth Proportional to 117,939.78, 162,916.14 and 94,232.70

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Solution

The fourth proportional to 117,939.78, 162,916.14 and 94,232.70 is: 130,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,939.78 : 162,916.14 = 94,232.70 : x
  2. Step 2: Convert to fraction form
    117,939.78/162,916.14 = 94,232.70/x
  3. Step 3: Cross multiply
    117,939.78x = 162,916.14 × 94,232.70
  4. Step 4: Simplify right side
    117,939.78x = 15,352,027,745.78
  5. Step 5: Solve for x
    x = 15,352,027,745.78/117,939.78
  6. Step 6: Final answer
    x = 130,168.36

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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.