Home / 198,408.64-273,701.28-122,825.92

Finding the Fourth Proportional to 198,408.64, 273,701.28 and 122,825.92

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Solution

The fourth proportional to 198,408.64, 273,701.28 and 122,825.92 is: 169,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,408.64 : 273,701.28 = 122,825.92 : x
  2. Step 2: Convert to fraction form
    198,408.64/273,701.28 = 122,825.92/x
  3. Step 3: Cross multiply
    198,408.64x = 273,701.28 × 122,825.92
  4. Step 4: Simplify right side
    198,408.64x = 33,617,611,521.18
  5. Step 5: Solve for x
    x = 33,617,611,521.18/198,408.64
  6. Step 6: Final answer
    x = 169,436.23

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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.