Home / 189,892.46-261,992.40-126,241.04

Finding the Fourth Proportional to 189,892.46, 261,992.40 and 126,241.04

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Solution

The fourth proportional to 189,892.46, 261,992.40 and 126,241.04 is: 174,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,892.46 : 261,992.40 = 126,241.04 : x
  2. Step 2: Convert to fraction form
    189,892.46/261,992.40 = 126,241.04/x
  3. Step 3: Cross multiply
    189,892.46x = 261,992.40 × 126,241.04
  4. Step 4: Simplify right side
    189,892.46x = 33,074,193,048.10
  5. Step 5: Solve for x
    x = 33,074,193,048.10/189,892.46
  6. Step 6: Final answer
    x = 174,173.28

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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.