Home / 144,927.97-200,000.62-81,265.79

Finding the Fourth Proportional to 144,927.97, 200,000.62 and 81,265.79

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Solution

The fourth proportional to 144,927.97, 200,000.62 and 81,265.79 is: 112,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,927.97 : 200,000.62 = 81,265.79 : x
  2. Step 2: Convert to fraction form
    144,927.97/200,000.62 = 81,265.79/x
  3. Step 3: Cross multiply
    144,927.97x = 200,000.62 × 81,265.79
  4. Step 4: Simplify right side
    144,927.97x = 16,253,208,986.37
  5. Step 5: Solve for x
    x = 16,253,208,986.37/144,927.97
  6. Step 6: Final answer
    x = 112,146.81

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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.