Home / 212,853.60-319,404.66-118,163.52

Finding the Fourth Proportional to 212,853.60, 319,404.66 and 118,163.52

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Solution

The fourth proportional to 212,853.60, 319,404.66 and 118,163.52 is: 177,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,853.60 : 319,404.66 = 118,163.52 : x
  2. Step 2: Convert to fraction form
    212,853.60/319,404.66 = 118,163.52/x
  3. Step 3: Cross multiply
    212,853.60x = 319,404.66 × 118,163.52
  4. Step 4: Simplify right side
    212,853.60x = 37,741,978,930.00
  5. Step 5: Solve for x
    x = 37,741,978,930.00/212,853.60
  6. Step 6: Final answer
    x = 177,314.26

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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.