Home / 110,280.33-165,436.92-51,121.98

Finding the Fourth Proportional to 110,280.33, 165,436.92 and 51,121.98

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Solution

The fourth proportional to 110,280.33, 165,436.92 and 51,121.98 is: 76,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,280.33 : 165,436.92 = 51,121.98 : x
  2. Step 2: Convert to fraction form
    110,280.33/165,436.92 = 51,121.98/x
  3. Step 3: Cross multiply
    110,280.33x = 165,436.92 × 51,121.98
  4. Step 4: Simplify right side
    110,280.33x = 8,457,462,915.50
  5. Step 5: Solve for x
    x = 8,457,462,915.50/110,280.33
  6. Step 6: Final answer
    x = 76,690.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.