Home / 199,266.75-274,988.12-123,815.25

Finding the Fourth Proportional to 199,266.75, 274,988.12 and 123,815.25

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Solution

The fourth proportional to 199,266.75, 274,988.12 and 123,815.25 is: 170,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,266.75 : 274,988.12 = 123,815.25 : x
  2. Step 2: Convert to fraction form
    199,266.75/274,988.12 = 123,815.25/x
  3. Step 3: Cross multiply
    199,266.75x = 274,988.12 × 123,815.25
  4. Step 4: Simplify right side
    199,266.75x = 34,047,722,205.75
  5. Step 5: Solve for x
    x = 34,047,722,205.75/199,266.75
  6. Step 6: Final answer
    x = 170,865.05

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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.