Home / 144,629.40-199,582.74-84,201.78

Finding the Fourth Proportional to 144,629.40, 199,582.74 and 84,201.78

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Solution

The fourth proportional to 144,629.40, 199,582.74 and 84,201.78 is: 116,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,629.40 : 199,582.74 = 84,201.78 : x
  2. Step 2: Convert to fraction form
    144,629.40/199,582.74 = 84,201.78/x
  3. Step 3: Cross multiply
    144,629.40x = 199,582.74 × 84,201.78
  4. Step 4: Simplify right side
    144,629.40x = 16,805,221,965.28
  5. Step 5: Solve for x
    x = 16,805,221,965.28/144,629.40
  6. Step 6: Final answer
    x = 116,195.06

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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.