Home / 126,994.62-190,453.04-87,803.58

Finding the Fourth Proportional to 126,994.62, 190,453.04 and 87,803.58

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Solution

The fourth proportional to 126,994.62, 190,453.04 and 87,803.58 is: 131,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,994.62 : 190,453.04 = 87,803.58 : x
  2. Step 2: Convert to fraction form
    126,994.62/190,453.04 = 87,803.58/x
  3. Step 3: Cross multiply
    126,994.62x = 190,453.04 × 87,803.58
  4. Step 4: Simplify right side
    126,994.62x = 16,722,458,733.88
  5. Step 5: Solve for x
    x = 16,722,458,733.88/126,994.62
  6. Step 6: Final answer
    x = 131,678.48

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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.