Home / 144,849.52-199,891.68-81,187.32

Finding the Fourth Proportional to 144,849.52, 199,891.68 and 81,187.32

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Solution

The fourth proportional to 144,849.52, 199,891.68 and 81,187.32 is: 112,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,849.52 : 199,891.68 = 81,187.32 : x
  2. Step 2: Convert to fraction form
    144,849.52/199,891.68 = 81,187.32/x
  3. Step 3: Cross multiply
    144,849.52x = 199,891.68 × 81,187.32
  4. Step 4: Simplify right side
    144,849.52x = 16,228,669,789.50
  5. Step 5: Solve for x
    x = 16,228,669,789.50/144,849.52
  6. Step 6: Final answer
    x = 112,038.13

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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.