Home / 271,963.80-408,032.10-122,146.20

Finding the Fourth Proportional to 271,963.80, 408,032.10 and 122,146.20

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Solution

The fourth proportional to 271,963.80, 408,032.10 and 122,146.20 is: 183,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,963.80 : 408,032.10 = 122,146.20 : x
  2. Step 2: Convert to fraction form
    271,963.80/408,032.10 = 122,146.20/x
  3. Step 3: Cross multiply
    271,963.80x = 408,032.10 × 122,146.20
  4. Step 4: Simplify right side
    271,963.80x = 49,839,570,493.02
  5. Step 5: Solve for x
    x = 49,839,570,493.02/271,963.80
  6. Step 6: Final answer
    x = 183,258.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.