Home / 126,330.39-174,336.26-68,969.79

Finding the Fourth Proportional to 126,330.39, 174,336.26 and 68,969.79

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Solution

The fourth proportional to 126,330.39, 174,336.26 and 68,969.79 is: 95,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,330.39 : 174,336.26 = 68,969.79 : x
  2. Step 2: Convert to fraction form
    126,330.39/174,336.26 = 68,969.79/x
  3. Step 3: Cross multiply
    126,330.39x = 174,336.26 × 68,969.79
  4. Step 4: Simplify right side
    126,330.39x = 12,023,934,896.74
  5. Step 5: Solve for x
    x = 12,023,934,896.74/126,330.39
  6. Step 6: Final answer
    x = 95,178.48

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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.