Home / 199,918.80-299,893.68-66,799.52

Finding the Fourth Proportional to 199,918.80, 299,893.68 and 66,799.52

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Solution

The fourth proportional to 199,918.80, 299,893.68 and 66,799.52 is: 100,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,918.80 : 299,893.68 = 66,799.52 : x
  2. Step 2: Convert to fraction form
    199,918.80/299,893.68 = 66,799.52/x
  3. Step 3: Cross multiply
    199,918.80x = 299,893.68 × 66,799.52
  4. Step 4: Simplify right side
    199,918.80x = 20,032,753,500.17
  5. Step 5: Solve for x
    x = 20,032,753,500.17/199,918.80
  6. Step 6: Final answer
    x = 100,204.45

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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.