Home / 144,825.88-199,848.76-81,151.36

Finding the Fourth Proportional to 144,825.88, 199,848.76 and 81,151.36

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Solution

The fourth proportional to 144,825.88, 199,848.76 and 81,151.36 is: 111,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,825.88 : 199,848.76 = 81,151.36 : x
  2. Step 2: Convert to fraction form
    144,825.88/199,848.76 = 81,151.36/x
  3. Step 3: Cross multiply
    144,825.88x = 199,848.76 × 81,151.36
  4. Step 4: Simplify right side
    144,825.88x = 16,217,998,668.31
  5. Step 5: Solve for x
    x = 16,217,998,668.31/144,825.88
  6. Step 6: Final answer
    x = 111,982.74

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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.