Home / 144,786.60-199,767.66-83,517.96

Finding the Fourth Proportional to 144,786.60, 199,767.66 and 83,517.96

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Solution

The fourth proportional to 144,786.60, 199,767.66 and 83,517.96 is: 115,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,786.60 : 199,767.66 = 83,517.96 : x
  2. Step 2: Convert to fraction form
    144,786.60/199,767.66 = 83,517.96/x
  3. Step 3: Cross multiply
    144,786.60x = 199,767.66 × 83,517.96
  4. Step 4: Simplify right side
    144,786.60x = 16,684,187,437.17
  5. Step 5: Solve for x
    x = 16,684,187,437.17/144,786.60
  6. Step 6: Final answer
    x = 115,232.95

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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.