Home / 126,949.58-190,216.60-77,044.97

Finding the Fourth Proportional to 126,949.58, 190,216.60 and 77,044.97

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Solution

The fourth proportional to 126,949.58, 190,216.60 and 77,044.97 is: 115,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,949.58 : 190,216.60 = 77,044.97 : x
  2. Step 2: Convert to fraction form
    126,949.58/190,216.60 = 77,044.97/x
  3. Step 3: Cross multiply
    126,949.58x = 190,216.60 × 77,044.97
  4. Step 4: Simplify right side
    126,949.58x = 14,655,232,956.81
  5. Step 5: Solve for x
    x = 14,655,232,956.81/126,949.58
  6. Step 6: Final answer
    x = 115,441.37

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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.