Home / 197,071.20-271,958.22-106,427.15

Finding the Fourth Proportional to 197,071.20, 271,958.22 and 106,427.15

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Solution

The fourth proportional to 197,071.20, 271,958.22 and 106,427.15 is: 146,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,071.20 : 271,958.22 = 106,427.15 : x
  2. Step 2: Convert to fraction form
    197,071.20/271,958.22 = 106,427.15/x
  3. Step 3: Cross multiply
    197,071.20x = 271,958.22 × 106,427.15
  4. Step 4: Simplify right side
    197,071.20x = 28,943,738,273.67
  5. Step 5: Solve for x
    x = 28,943,738,273.67/197,071.20
  6. Step 6: Final answer
    x = 146,869.45

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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.