Home / 204,256.75-306,393.36-71,150.47

Finding the Fourth Proportional to 204,256.75, 306,393.36 and 71,150.47

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Solution

The fourth proportional to 204,256.75, 306,393.36 and 71,150.47 is: 106,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,256.75 : 306,393.36 = 71,150.47 : x
  2. Step 2: Convert to fraction form
    204,256.75/306,393.36 = 71,150.47/x
  3. Step 3: Cross multiply
    204,256.75x = 306,393.36 × 71,150.47
  4. Step 4: Simplify right side
    204,256.75x = 21,800,030,036.91
  5. Step 5: Solve for x
    x = 21,800,030,036.91/204,256.75
  6. Step 6: Final answer
    x = 106,728.57

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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.