Home / 144,844.74-199,884.11-81,181.17

Finding the Fourth Proportional to 144,844.74, 199,884.11 and 81,181.17

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Solution

The fourth proportional to 144,844.74, 199,884.11 and 81,181.17 is: 112,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,844.74 : 199,884.11 = 81,181.17 : x
  2. Step 2: Convert to fraction form
    144,844.74/199,884.11 = 81,181.17/x
  3. Step 3: Cross multiply
    144,844.74x = 199,884.11 × 81,181.17
  4. Step 4: Simplify right side
    144,844.74x = 16,226,825,508.30
  5. Step 5: Solve for x
    x = 16,226,825,508.30/144,844.74
  6. Step 6: Final answer
    x = 112,029.10

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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.