Home / 126,228.24-174,195.90-69,641.64

Finding the Fourth Proportional to 126,228.24, 174,195.90 and 69,641.64

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Solution

The fourth proportional to 126,228.24, 174,195.90 and 69,641.64 is: 96,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,228.24 : 174,195.90 = 69,641.64 : x
  2. Step 2: Convert to fraction form
    126,228.24/174,195.90 = 69,641.64/x
  3. Step 3: Cross multiply
    126,228.24x = 174,195.90 × 69,641.64
  4. Step 4: Simplify right side
    126,228.24x = 12,131,288,157.28
  5. Step 5: Solve for x
    x = 12,131,288,157.28/126,228.24
  6. Step 6: Final answer
    x = 96,105.98

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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.