Home / 126,440.96-189,668.75-47,555.87

Finding the Fourth Proportional to 126,440.96, 189,668.75 and 47,555.87

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Solution

The fourth proportional to 126,440.96, 189,668.75 and 47,555.87 is: 71,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,440.96 : 189,668.75 = 47,555.87 : x
  2. Step 2: Convert to fraction form
    126,440.96/189,668.75 = 47,555.87/x
  3. Step 3: Cross multiply
    126,440.96x = 189,668.75 × 47,555.87
  4. Step 4: Simplify right side
    126,440.96x = 9,019,862,418.06
  5. Step 5: Solve for x
    x = 9,019,862,418.06/126,440.96
  6. Step 6: Final answer
    x = 71,336.55

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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.