Home / 155,375.68-233,063.64-66,571.60

Finding the Fourth Proportional to 155,375.68, 233,063.64 and 66,571.60

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Solution

The fourth proportional to 155,375.68, 233,063.64 and 66,571.60 is: 99,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,375.68 : 233,063.64 = 66,571.60 : x
  2. Step 2: Convert to fraction form
    155,375.68/233,063.64 = 66,571.60/x
  3. Step 3: Cross multiply
    155,375.68x = 233,063.64 × 66,571.60
  4. Step 4: Simplify right side
    155,375.68x = 15,515,419,416.62
  5. Step 5: Solve for x
    x = 15,515,419,416.62/155,375.68
  6. Step 6: Final answer
    x = 99,857.45

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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.