Home / 199,696.82-275,617.19-118,021.73

Finding the Fourth Proportional to 199,696.82, 275,617.19 and 118,021.73

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Solution

The fourth proportional to 199,696.82, 275,617.19 and 118,021.73 is: 162,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,696.82 : 275,617.19 = 118,021.73 : x
  2. Step 2: Convert to fraction form
    199,696.82/275,617.19 = 118,021.73/x
  3. Step 3: Cross multiply
    199,696.82x = 275,617.19 × 118,021.73
  4. Step 4: Simplify right side
    199,696.82x = 32,528,816,498.51
  5. Step 5: Solve for x
    x = 32,528,816,498.51/199,696.82
  6. Step 6: Final answer
    x = 162,891.01

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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.