Home / 126,131.91-174,063.39-68,770.77

Finding the Fourth Proportional to 126,131.91, 174,063.39 and 68,770.77

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Solution

The fourth proportional to 126,131.91, 174,063.39 and 68,770.77 is: 94,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,131.91 : 174,063.39 = 68,770.77 : x
  2. Step 2: Convert to fraction form
    126,131.91/174,063.39 = 68,770.77/x
  3. Step 3: Cross multiply
    126,131.91x = 174,063.39 × 68,770.77
  4. Step 4: Simplify right side
    126,131.91x = 11,970,472,448.48
  5. Step 5: Solve for x
    x = 11,970,472,448.48/126,131.91
  6. Step 6: Final answer
    x = 94,904.40

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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.