Home / 91,452.57-126,209.46-51,163.92

Finding the Fourth Proportional to 91,452.57, 126,209.46 and 51,163.92

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Solution

The fourth proportional to 91,452.57, 126,209.46 and 51,163.92 is: 70,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,452.57 : 126,209.46 = 51,163.92 : x
  2. Step 2: Convert to fraction form
    91,452.57/126,209.46 = 51,163.92/x
  3. Step 3: Cross multiply
    91,452.57x = 126,209.46 × 51,163.92
  4. Step 4: Simplify right side
    91,452.57x = 6,457,370,714.68
  5. Step 5: Solve for x
    x = 6,457,370,714.68/91,452.57
  6. Step 6: Final answer
    x = 70,608.96

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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.