Home / 126,073.80-173,982.90-69,485.32

Finding the Fourth Proportional to 126,073.80, 173,982.90 and 69,485.32

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Solution

The fourth proportional to 126,073.80, 173,982.90 and 69,485.32 is: 95,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,073.80 : 173,982.90 = 69,485.32 : x
  2. Step 2: Convert to fraction form
    126,073.80/173,982.90 = 69,485.32/x
  3. Step 3: Cross multiply
    126,073.80x = 173,982.90 × 69,485.32
  4. Step 4: Simplify right side
    126,073.80x = 12,089,257,481.03
  5. Step 5: Solve for x
    x = 12,089,257,481.03/126,073.80
  6. Step 6: Final answer
    x = 95,890.32

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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.