Home / 102,227.94-141,078.42-61,918.74

Finding the Fourth Proportional to 102,227.94, 141,078.42 and 61,918.74

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Solution

The fourth proportional to 102,227.94, 141,078.42 and 61,918.74 is: 85,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,227.94 : 141,078.42 = 61,918.74 : x
  2. Step 2: Convert to fraction form
    102,227.94/141,078.42 = 61,918.74/x
  3. Step 3: Cross multiply
    102,227.94x = 141,078.42 × 61,918.74
  4. Step 4: Simplify right side
    102,227.94x = 8,735,398,007.59
  5. Step 5: Solve for x
    x = 8,735,398,007.59/102,227.94
  6. Step 6: Final answer
    x = 85,450.20

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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.