Home / 144,865.47-199,913.72-81,203.27

Finding the Fourth Proportional to 144,865.47, 199,913.72 and 81,203.27

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Solution

The fourth proportional to 144,865.47, 199,913.72 and 81,203.27 is: 112,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865.47 : 199,913.72 = 81,203.27 : x
  2. Step 2: Convert to fraction form
    144,865.47/199,913.72 = 81,203.27/x
  3. Step 3: Cross multiply
    144,865.47x = 199,913.72 × 81,203.27
  4. Step 4: Simplify right side
    144,865.47x = 16,233,647,395.31
  5. Step 5: Solve for x
    x = 16,233,647,395.31/144,865.47
  6. Step 6: Final answer
    x = 112,060.16

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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.