Home / 197,090.11-271,984.28-106,446.05

Finding the Fourth Proportional to 197,090.11, 271,984.28 and 106,446.05

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Solution

The fourth proportional to 197,090.11, 271,984.28 and 106,446.05 is: 146,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,090.11 : 271,984.28 = 106,446.05 : x
  2. Step 2: Convert to fraction form
    197,090.11/271,984.28 = 106,446.05/x
  3. Step 3: Cross multiply
    197,090.11x = 271,984.28 × 106,446.05
  4. Step 4: Simplify right side
    197,090.11x = 28,951,651,994.64
  5. Step 5: Solve for x
    x = 28,951,651,994.64/197,090.11
  6. Step 6: Final answer
    x = 146,895.51

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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.