Home / 94,201.43-141,930.47-85,205.94

Finding the Fourth Proportional to 94,201.43, 141,930.47 and 85,205.94

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Solution

The fourth proportional to 94,201.43, 141,930.47 and 85,205.94 is: 128,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,201.43 : 141,930.47 = 85,205.94 : x
  2. Step 2: Convert to fraction form
    94,201.43/141,930.47 = 85,205.94/x
  3. Step 3: Cross multiply
    94,201.43x = 141,930.47 × 85,205.94
  4. Step 4: Simplify right side
    94,201.43x = 12,093,318,684.96
  5. Step 5: Solve for x
    x = 12,093,318,684.96/94,201.43
  6. Step 6: Final answer
    x = 128,377.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.