Home / 197,066.25-271,951.41-106,422.20

Finding the Fourth Proportional to 197,066.25, 271,951.41 and 106,422.20

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Solution

The fourth proportional to 197,066.25, 271,951.41 and 106,422.20 is: 146,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,066.25 : 271,951.41 = 106,422.20 : x
  2. Step 2: Convert to fraction form
    197,066.25/271,951.41 = 106,422.20/x
  3. Step 3: Cross multiply
    197,066.25x = 271,951.41 × 106,422.20
  4. Step 4: Simplify right side
    197,066.25x = 28,941,668,784.52
  5. Step 5: Solve for x
    x = 28,941,668,784.52/197,066.25
  6. Step 6: Final answer
    x = 146,862.64

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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.