Home / 91,474.31-126,216.43-51,180.26

Finding the Fourth Proportional to 91,474.31, 126,216.43 and 51,180.26

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Solution

The fourth proportional to 91,474.31, 126,216.43 and 51,180.26 is: 70,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,474.31 : 126,216.43 = 51,180.26 : x
  2. Step 2: Convert to fraction form
    91,474.31/126,216.43 = 51,180.26/x
  3. Step 3: Cross multiply
    91,474.31x = 126,216.43 × 51,180.26
  4. Step 4: Simplify right side
    91,474.31x = 6,459,788,944.64
  5. Step 5: Solve for x
    x = 6,459,788,944.64/91,474.31
  6. Step 6: Final answer
    x = 70,618.61

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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.