Home / 126,078.08-189,146.22-41,831.96

Finding the Fourth Proportional to 126,078.08, 189,146.22 and 41,831.96

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Solution

The fourth proportional to 126,078.08, 189,146.22 and 41,831.96 is: 62,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,078.08 : 189,146.22 = 41,831.96 : x
  2. Step 2: Convert to fraction form
    126,078.08/189,146.22 = 41,831.96/x
  3. Step 3: Cross multiply
    126,078.08x = 189,146.22 × 41,831.96
  4. Step 4: Simplify right side
    126,078.08x = 7,912,357,109.19
  5. Step 5: Solve for x
    x = 7,912,357,109.19/126,078.08
  6. Step 6: Final answer
    x = 62,757.60

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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.