Home / 199,863.02-275,810.40-109,219.56

Finding the Fourth Proportional to 199,863.02, 275,810.40 and 109,219.56

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Solution

The fourth proportional to 199,863.02, 275,810.40 and 109,219.56 is: 150,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,863.02 : 275,810.40 = 109,219.56 : x
  2. Step 2: Convert to fraction form
    199,863.02/275,810.40 = 109,219.56/x
  3. Step 3: Cross multiply
    199,863.02x = 275,810.40 × 109,219.56
  4. Step 4: Simplify right side
    199,863.02x = 30,123,890,531.42
  5. Step 5: Solve for x
    x = 30,123,890,531.42/199,863.02
  6. Step 6: Final answer
    x = 150,722.68

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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.