Home / 144,891.13-199,949.62-81,228.94

Finding the Fourth Proportional to 144,891.13, 199,949.62 and 81,228.94

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Solution

The fourth proportional to 144,891.13, 199,949.62 and 81,228.94 is: 112,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,891.13 : 199,949.62 = 81,228.94 : x
  2. Step 2: Convert to fraction form
    144,891.13/199,949.62 = 81,228.94/x
  3. Step 3: Cross multiply
    144,891.13x = 199,949.62 × 81,228.94
  4. Step 4: Simplify right side
    144,891.13x = 16,241,695,686.00
  5. Step 5: Solve for x
    x = 16,241,695,686.00/144,891.13
  6. Step 6: Final answer
    x = 112,095.86

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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.