Home / 122,579.10-183,771.45-67,175.10

Finding the Fourth Proportional to 122,579.10, 183,771.45 and 67,175.10

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Solution

The fourth proportional to 122,579.10, 183,771.45 and 67,175.10 is: 100,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,579.10 : 183,771.45 = 67,175.10 : x
  2. Step 2: Convert to fraction form
    122,579.10/183,771.45 = 67,175.10/x
  3. Step 3: Cross multiply
    122,579.10x = 183,771.45 × 67,175.10
  4. Step 4: Simplify right side
    122,579.10x = 12,344,865,530.90
  5. Step 5: Solve for x
    x = 12,344,865,530.90/122,579.10
  6. Step 6: Final answer
    x = 100,709.38

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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.