Home / 126,245.75-174,222.78-69,660.77

Finding the Fourth Proportional to 126,245.75, 174,222.78 and 69,660.77

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Solution

The fourth proportional to 126,245.75, 174,222.78 and 69,660.77 is: 96,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,245.75 : 174,222.78 = 69,660.77 : x
  2. Step 2: Convert to fraction form
    126,245.75/174,222.78 = 69,660.77/x
  3. Step 3: Cross multiply
    126,245.75x = 174,222.78 × 69,660.77
  4. Step 4: Simplify right side
    126,245.75x = 12,136,493,006.34
  5. Step 5: Solve for x
    x = 12,136,493,006.34/126,245.75
  6. Step 6: Final answer
    x = 96,133.87

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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.