Home / 126,761.42-174,930.80-70,172.79

Finding the Fourth Proportional to 126,761.42, 174,930.80 and 70,172.79

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Solution

The fourth proportional to 126,761.42, 174,930.80 and 70,172.79 is: 96,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,761.42 : 174,930.80 = 70,172.79 : x
  2. Step 2: Convert to fraction form
    126,761.42/174,930.80 = 70,172.79/x
  3. Step 3: Cross multiply
    126,761.42x = 174,930.80 × 70,172.79
  4. Step 4: Simplify right side
    126,761.42x = 12,275,382,292.93
  5. Step 5: Solve for x
    x = 12,275,382,292.93/126,761.42
  6. Step 6: Final answer
    x = 96,838.47

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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.