Home / 178,629.67-268,026.37-77,458.75

Finding the Fourth Proportional to 178,629.67, 268,026.37 and 77,458.75

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Solution

The fourth proportional to 178,629.67, 268,026.37 and 77,458.75 is: 116,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,629.67 : 268,026.37 = 77,458.75 : x
  2. Step 2: Convert to fraction form
    178,629.67/268,026.37 = 77,458.75/x
  3. Step 3: Cross multiply
    178,629.67x = 268,026.37 × 77,458.75
  4. Step 4: Simplify right side
    178,629.67x = 20,760,986,723.52
  5. Step 5: Solve for x
    x = 20,760,986,723.52/178,629.67
  6. Step 6: Final answer
    x = 116,223.62

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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.