Home / 199,915.16-275,874.98-109,274.31

Finding the Fourth Proportional to 199,915.16, 275,874.98 and 109,274.31

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Solution

The fourth proportional to 199,915.16, 275,874.98 and 109,274.31 is: 150,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,915.16 : 275,874.98 = 109,274.31 : x
  2. Step 2: Convert to fraction form
    199,915.16/275,874.98 = 109,274.31/x
  3. Step 3: Cross multiply
    199,915.16x = 275,874.98 × 109,274.31
  4. Step 4: Simplify right side
    199,915.16x = 30,146,047,539.39
  5. Step 5: Solve for x
    x = 30,146,047,539.39/199,915.16
  6. Step 6: Final answer
    x = 150,794.21

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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.