Home / 126,348.08-189,434.33-47,441.12

Finding the Fourth Proportional to 126,348.08, 189,434.33 and 47,441.12

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Solution

The fourth proportional to 126,348.08, 189,434.33 and 47,441.12 is: 71,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,348.08 : 189,434.33 = 47,441.12 : x
  2. Step 2: Convert to fraction form
    126,348.08/189,434.33 = 47,441.12/x
  3. Step 3: Cross multiply
    126,348.08x = 189,434.33 × 47,441.12
  4. Step 4: Simplify right side
    126,348.08x = 8,986,975,775.18
  5. Step 5: Solve for x
    x = 8,986,975,775.18/126,348.08
  6. Step 6: Final answer
    x = 71,128.71

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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.