Home / 253,878.50-350,352.33-140,708.54

Finding the Fourth Proportional to 253,878.50, 350,352.33 and 140,708.54

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Solution

The fourth proportional to 253,878.50, 350,352.33 and 140,708.54 is: 194,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,878.50 : 350,352.33 = 140,708.54 : x
  2. Step 2: Convert to fraction form
    253,878.50/350,352.33 = 140,708.54/x
  3. Step 3: Cross multiply
    253,878.50x = 350,352.33 × 140,708.54
  4. Step 4: Simplify right side
    253,878.50x = 49,297,564,839.90
  5. Step 5: Solve for x
    x = 49,297,564,839.90/253,878.50
  6. Step 6: Final answer
    x = 194,177.79

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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.