Home / 122,257.26-183,339.81-51,184.80

Finding the Fourth Proportional to 122,257.26, 183,339.81 and 51,184.80

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Solution

The fourth proportional to 122,257.26, 183,339.81 and 51,184.80 is: 76,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,257.26 : 183,339.81 = 51,184.80 : x
  2. Step 2: Convert to fraction form
    122,257.26/183,339.81 = 51,184.80/x
  3. Step 3: Cross multiply
    122,257.26x = 183,339.81 × 51,184.80
  4. Step 4: Simplify right side
    122,257.26x = 9,384,211,506.89
  5. Step 5: Solve for x
    x = 9,384,211,506.89/122,257.26
  6. Step 6: Final answer
    x = 76,757.91

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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.