Home / 198,790.22-273,952.58-142,103.18

Finding the Fourth Proportional to 198,790.22, 273,952.58 and 142,103.18

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Solution

The fourth proportional to 198,790.22, 273,952.58 and 142,103.18 is: 195,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,790.22 : 273,952.58 = 142,103.18 : x
  2. Step 2: Convert to fraction form
    198,790.22/273,952.58 = 142,103.18/x
  3. Step 3: Cross multiply
    198,790.22x = 273,952.58 × 142,103.18
  4. Step 4: Simplify right side
    198,790.22x = 38,929,532,787.20
  5. Step 5: Solve for x
    x = 38,929,532,787.20/198,790.22
  6. Step 6: Final answer
    x = 195,832.23

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1.5x scale

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.