Home / 155,028.60-231,966.90-113,556.60

Finding the Fourth Proportional to 155,028.60, 231,966.90 and 113,556.60

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Solution

The fourth proportional to 155,028.60, 231,966.90 and 113,556.60 is: 169,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,028.60 : 231,966.90 = 113,556.60 : x
  2. Step 2: Convert to fraction form
    155,028.60/231,966.90 = 113,556.60/x
  3. Step 3: Cross multiply
    155,028.60x = 231,966.90 × 113,556.60
  4. Step 4: Simplify right side
    155,028.60x = 26,341,372,476.54
  5. Step 5: Solve for x
    x = 26,341,372,476.54/155,028.60
  6. Step 6: Final answer
    x = 169,912.99

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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.