Home / 126,231.46-174,214.83-72,516.36

Finding the Fourth Proportional to 126,231.46, 174,214.83 and 72,516.36

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Solution

The fourth proportional to 126,231.46, 174,214.83 and 72,516.36 is: 100,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,231.46 : 174,214.83 = 72,516.36 : x
  2. Step 2: Convert to fraction form
    126,231.46/174,214.83 = 72,516.36/x
  3. Step 3: Cross multiply
    126,231.46x = 174,214.83 × 72,516.36
  4. Step 4: Simplify right side
    126,231.46x = 12,633,425,329.62
  5. Step 5: Solve for x
    x = 12,633,425,329.62/126,231.46
  6. Step 6: Final answer
    x = 100,081.43

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1.5x scale

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.