Home / 126,894.40-190,326.74-50,989.88

Finding the Fourth Proportional to 126,894.40, 190,326.74 and 50,989.88

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Solution

The fourth proportional to 126,894.40, 190,326.74 and 50,989.88 is: 76,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,894.40 : 190,326.74 = 50,989.88 : x
  2. Step 2: Convert to fraction form
    126,894.40/190,326.74 = 50,989.88/x
  3. Step 3: Cross multiply
    126,894.40x = 190,326.74 × 50,989.88
  4. Step 4: Simplify right side
    126,894.40x = 9,704,737,633.39
  5. Step 5: Solve for x
    x = 9,704,737,633.39/126,894.40
  6. Step 6: Final answer
    x = 76,478.85

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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.