Home / 113,743.75-156,915.66-65,969.41

Finding the Fourth Proportional to 113,743.75, 156,915.66 and 65,969.41

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Solution

The fourth proportional to 113,743.75, 156,915.66 and 65,969.41 is: 91,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,743.75 : 156,915.66 = 65,969.41 : x
  2. Step 2: Convert to fraction form
    113,743.75/156,915.66 = 65,969.41/x
  3. Step 3: Cross multiply
    113,743.75x = 156,915.66 × 65,969.41
  4. Step 4: Simplify right side
    113,743.75x = 10,351,633,509.96
  5. Step 5: Solve for x
    x = 10,351,633,509.96/113,743.75
  6. Step 6: Final answer
    x = 91,008.37

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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.