Home / 126,487.44-174,571.20-76,185.36

Finding the Fourth Proportional to 126,487.44, 174,571.20 and 76,185.36

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Solution

The fourth proportional to 126,487.44, 174,571.20 and 76,185.36 is: 105,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,487.44 : 174,571.20 = 76,185.36 : x
  2. Step 2: Convert to fraction form
    126,487.44/174,571.20 = 76,185.36/x
  3. Step 3: Cross multiply
    126,487.44x = 174,571.20 × 76,185.36
  4. Step 4: Simplify right side
    126,487.44x = 13,299,769,717.63
  5. Step 5: Solve for x
    x = 13,299,769,717.63/126,487.44
  6. Step 6: Final answer
    x = 105,146.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.