Home / 102,806.94-141,830.13-68,826.36

Finding the Fourth Proportional to 102,806.94, 141,830.13 and 68,826.36

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Solution

The fourth proportional to 102,806.94, 141,830.13 and 68,826.36 is: 94,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,806.94 : 141,830.13 = 68,826.36 : x
  2. Step 2: Convert to fraction form
    102,806.94/141,830.13 = 68,826.36/x
  3. Step 3: Cross multiply
    102,806.94x = 141,830.13 × 68,826.36
  4. Step 4: Simplify right side
    102,806.94x = 9,761,651,586.23
  5. Step 5: Solve for x
    x = 9,761,651,586.23/102,806.94
  6. Step 6: Final answer
    x = 94,951.29

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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.