Home / 144,473.36-199,382.11-80,815.46

Finding the Fourth Proportional to 144,473.36, 199,382.11 and 80,815.46

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Solution

The fourth proportional to 144,473.36, 199,382.11 and 80,815.46 is: 111,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,473.36 : 199,382.11 = 80,815.46 : x
  2. Step 2: Convert to fraction form
    144,473.36/199,382.11 = 80,815.46/x
  3. Step 3: Cross multiply
    144,473.36x = 199,382.11 × 80,815.46
  4. Step 4: Simplify right side
    144,473.36x = 16,113,155,736.47
  5. Step 5: Solve for x
    x = 16,113,155,736.47/144,473.36
  6. Step 6: Final answer
    x = 111,530.29

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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.