Home / 126,379.22-174,403.19-69,790.46

Finding the Fourth Proportional to 126,379.22, 174,403.19 and 69,790.46

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Solution

The fourth proportional to 126,379.22, 174,403.19 and 69,790.46 is: 96,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,379.22 : 174,403.19 = 69,790.46 : x
  2. Step 2: Convert to fraction form
    126,379.22/174,403.19 = 69,790.46/x
  3. Step 3: Cross multiply
    126,379.22x = 174,403.19 × 69,790.46
  4. Step 4: Simplify right side
    126,379.22x = 12,171,678,158.03
  5. Step 5: Solve for x
    x = 12,171,678,158.03/126,379.22
  6. Step 6: Final answer
    x = 96,310.76

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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.