Home / 197,268.12-271,910.13-154,171.50

Finding the Fourth Proportional to 197,268.12, 271,910.13 and 154,171.50

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Solution

The fourth proportional to 197,268.12, 271,910.13 and 154,171.50 is: 212,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,268.12 : 271,910.13 = 154,171.50 : x
  2. Step 2: Convert to fraction form
    197,268.12/271,910.13 = 154,171.50/x
  3. Step 3: Cross multiply
    197,268.12x = 271,910.13 × 154,171.50
  4. Step 4: Simplify right side
    197,268.12x = 41,920,792,607.30
  5. Step 5: Solve for x
    x = 41,920,792,607.30/197,268.12
  6. Step 6: Final answer
    x = 212,506.68

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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.