Home / 199,941.62-275,918.80-109,297.61

Finding the Fourth Proportional to 199,941.62, 275,918.80 and 109,297.61

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Solution

The fourth proportional to 199,941.62, 275,918.80 and 109,297.61 is: 150,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,941.62 : 275,918.80 = 109,297.61 : x
  2. Step 2: Convert to fraction form
    199,941.62/275,918.80 = 109,297.61/x
  3. Step 3: Cross multiply
    199,941.62x = 275,918.80 × 109,297.61
  4. Step 4: Simplify right side
    199,941.62x = 30,157,264,431.03
  5. Step 5: Solve for x
    x = 30,157,264,431.03/199,941.62
  6. Step 6: Final answer
    x = 150,830.35

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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.