Home / 96,383.30-144,429.15-81,511.70

Finding the Fourth Proportional to 96,383.30, 144,429.15 and 81,511.70

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Solution

The fourth proportional to 96,383.30, 144,429.15 and 81,511.70 is: 122,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,383.30 : 144,429.15 = 81,511.70 : x
  2. Step 2: Convert to fraction form
    96,383.30/144,429.15 = 81,511.70/x
  3. Step 3: Cross multiply
    96,383.30x = 144,429.15 × 81,511.70
  4. Step 4: Simplify right side
    96,383.30x = 11,772,665,546.06
  5. Step 5: Solve for x
    x = 11,772,665,546.06/96,383.30
  6. Step 6: Final answer
    x = 122,144.25

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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.