Home / 155,449.44-233,174.32-66,645.60

Finding the Fourth Proportional to 155,449.44, 233,174.32 and 66,645.60

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Solution

The fourth proportional to 155,449.44, 233,174.32 and 66,645.60 is: 99,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,449.44 : 233,174.32 = 66,645.60 : x
  2. Step 2: Convert to fraction form
    155,449.44/233,174.32 = 66,645.60/x
  3. Step 3: Cross multiply
    155,449.44x = 233,174.32 × 66,645.60
  4. Step 4: Simplify right side
    155,449.44x = 15,540,042,460.99
  5. Step 5: Solve for x
    x = 15,540,042,460.99/155,449.44
  6. Step 6: Final answer
    x = 99,968.47

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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.