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Finding the Fourth Proportional to 144,993.52, 217,199.26 and 73,913.28

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Solution

The fourth proportional to 144,993.52, 217,199.26 and 73,913.28 is: 110,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,993.52 : 217,199.26 = 73,913.28 : x
  2. Step 2: Convert to fraction form
    144,993.52/217,199.26 = 73,913.28/x
  3. Step 3: Cross multiply
    144,993.52x = 217,199.26 × 73,913.28
  4. Step 4: Simplify right side
    144,993.52x = 16,053,909,804.05
  5. Step 5: Solve for x
    x = 16,053,909,804.05/144,993.52
  6. Step 6: Final answer
    x = 110,721.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.