Home / 96,689.40-144,893.88-68,664.36

Finding the Fourth Proportional to 96,689.40, 144,893.88 and 68,664.36

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Solution

The fourth proportional to 96,689.40, 144,893.88 and 68,664.36 is: 102,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,689.40 : 144,893.88 = 68,664.36 : x
  2. Step 2: Convert to fraction form
    96,689.40/144,893.88 = 68,664.36/x
  3. Step 3: Cross multiply
    96,689.40x = 144,893.88 × 68,664.36
  4. Step 4: Simplify right side
    96,689.40x = 9,949,045,538.12
  5. Step 5: Solve for x
    x = 9,949,045,538.12/96,689.40
  6. Step 6: Final answer
    x = 102,896.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.