Home / 91,427.26-126,181.29-51,143.26

Finding the Fourth Proportional to 91,427.26, 126,181.29 and 51,143.26

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Solution

The fourth proportional to 91,427.26, 126,181.29 and 51,143.26 is: 70,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,427.26 : 126,181.29 = 51,143.26 : x
  2. Step 2: Convert to fraction form
    91,427.26/126,181.29 = 51,143.26/x
  3. Step 3: Cross multiply
    91,427.26x = 126,181.29 × 51,143.26
  4. Step 4: Simplify right side
    91,427.26x = 6,453,322,521.61
  5. Step 5: Solve for x
    x = 6,453,322,521.61/91,427.26
  6. Step 6: Final answer
    x = 70,584.23

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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.