Home / 126,423.31-189,662.66-47,537.53

Finding the Fourth Proportional to 126,423.31, 189,662.66 and 47,537.53

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Solution

The fourth proportional to 126,423.31, 189,662.66 and 47,537.53 is: 71,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,423.31 : 189,662.66 = 47,537.53 : x
  2. Step 2: Convert to fraction form
    126,423.31/189,662.66 = 47,537.53/x
  3. Step 3: Cross multiply
    126,423.31x = 189,662.66 × 47,537.53
  4. Step 4: Simplify right side
    126,423.31x = 9,016,094,789.20
  5. Step 5: Solve for x
    x = 9,016,094,789.20/126,423.31
  6. Step 6: Final answer
    x = 71,316.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.