Home / 126,844.80-190,134.36-42,584.28

Finding the Fourth Proportional to 126,844.80, 190,134.36 and 42,584.28

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Solution

The fourth proportional to 126,844.80, 190,134.36 and 42,584.28 is: 63,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,844.80 : 190,134.36 = 42,584.28 : x
  2. Step 2: Convert to fraction form
    126,844.80/190,134.36 = 42,584.28/x
  3. Step 3: Cross multiply
    126,844.80x = 190,134.36 × 42,584.28
  4. Step 4: Simplify right side
    126,844.80x = 8,096,734,823.86
  5. Step 5: Solve for x
    x = 8,096,734,823.86/126,844.80
  6. Step 6: Final answer
    x = 63,831.82

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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.