Home / 116,365.73-160,575.21-65,375.69

Finding the Fourth Proportional to 116,365.73, 160,575.21 and 65,375.69

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Solution

The fourth proportional to 116,365.73, 160,575.21 and 65,375.69 is: 90,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,365.73 : 160,575.21 = 65,375.69 : x
  2. Step 2: Convert to fraction form
    116,365.73/160,575.21 = 65,375.69/x
  3. Step 3: Cross multiply
    116,365.73x = 160,575.21 × 65,375.69
  4. Step 4: Simplify right side
    116,365.73x = 10,497,715,150.64
  5. Step 5: Solve for x
    x = 10,497,715,150.64/116,365.73
  6. Step 6: Final answer
    x = 90,213.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.