Home / 122,375.37-183,618.12-66,149.64

Finding the Fourth Proportional to 122,375.37, 183,618.12 and 66,149.64

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Solution

The fourth proportional to 122,375.37, 183,618.12 and 66,149.64 is: 99,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,375.37 : 183,618.12 = 66,149.64 : x
  2. Step 2: Convert to fraction form
    122,375.37/183,618.12 = 66,149.64/x
  3. Step 3: Cross multiply
    122,375.37x = 183,618.12 × 66,149.64
  4. Step 4: Simplify right side
    122,375.37x = 12,146,272,535.48
  5. Step 5: Solve for x
    x = 12,146,272,535.48/122,375.37
  6. Step 6: Final answer
    x = 99,254.23

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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.