Home / 91,452.10-126,208.80-51,163.46

Finding the Fourth Proportional to 91,452.10, 126,208.80 and 51,163.46

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Solution

The fourth proportional to 91,452.10, 126,208.80 and 51,163.46 is: 70,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,452.10 : 126,208.80 = 51,163.46 : x
  2. Step 2: Convert to fraction form
    91,452.10/126,208.80 = 51,163.46/x
  3. Step 3: Cross multiply
    91,452.10x = 126,208.80 × 51,163.46
  4. Step 4: Simplify right side
    91,452.10x = 6,457,278,377.72
  5. Step 5: Solve for x
    x = 6,457,278,377.72/91,452.10
  6. Step 6: Final answer
    x = 70,608.31

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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.