Home / 126,786.99-174,968.73-69,428.73

Finding the Fourth Proportional to 126,786.99, 174,968.73 and 69,428.73

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Solution

The fourth proportional to 126,786.99, 174,968.73 and 69,428.73 is: 95,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,786.99 : 174,968.73 = 69,428.73 : x
  2. Step 2: Convert to fraction form
    126,786.99/174,968.73 = 69,428.73/x
  3. Step 3: Cross multiply
    126,786.99x = 174,968.73 × 69,428.73
  4. Step 4: Simplify right side
    126,786.99x = 12,147,856,713.61
  5. Step 5: Solve for x
    x = 12,147,856,713.61/126,786.99
  6. Step 6: Final answer
    x = 95,813.12

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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.