Home / 144,205.11-216,005.94-115,972.56

Finding the Fourth Proportional to 144,205.11, 216,005.94 and 115,972.56

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Solution

The fourth proportional to 144,205.11, 216,005.94 and 115,972.56 is: 173,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,205.11 : 216,005.94 = 115,972.56 : x
  2. Step 2: Convert to fraction form
    144,205.11/216,005.94 = 115,972.56/x
  3. Step 3: Cross multiply
    144,205.11x = 216,005.94 × 115,972.56
  4. Step 4: Simplify right side
    144,205.11x = 25,050,761,837.01
  5. Step 5: Solve for x
    x = 25,050,761,837.01/144,205.11
  6. Step 6: Final answer
    x = 173,716.19

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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.