Home / 126,463.85-174,601.46-81,161.36

Finding the Fourth Proportional to 126,463.85, 174,601.46 and 81,161.36

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Solution

The fourth proportional to 126,463.85, 174,601.46 and 81,161.36 is: 112,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,463.85 : 174,601.46 = 81,161.36 : x
  2. Step 2: Convert to fraction form
    126,463.85/174,601.46 = 81,161.36/x
  3. Step 3: Cross multiply
    126,463.85x = 174,601.46 × 81,161.36
  4. Step 4: Simplify right side
    126,463.85x = 14,170,891,281.48
  5. Step 5: Solve for x
    x = 14,170,891,281.48/126,463.85
  6. Step 6: Final answer
    x = 112,054.88

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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.