Home / 126,850.78-175,039.95-70,247.98

Finding the Fourth Proportional to 126,850.78, 175,039.95 and 70,247.98

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Solution

The fourth proportional to 126,850.78, 175,039.95 and 70,247.98 is: 96,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,850.78 : 175,039.95 = 70,247.98 : x
  2. Step 2: Convert to fraction form
    126,850.78/175,039.95 = 70,247.98/x
  3. Step 3: Cross multiply
    126,850.78x = 175,039.95 × 70,247.98
  4. Step 4: Simplify right side
    126,850.78x = 12,296,202,906.80
  5. Step 5: Solve for x
    x = 12,296,202,906.80/126,850.78
  6. Step 6: Final answer
    x = 96,934.39

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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.