Home / 251,958.11-347,676.23-155,146.55

Finding the Fourth Proportional to 251,958.11, 347,676.23 and 155,146.55

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Solution

The fourth proportional to 251,958.11, 347,676.23 and 155,146.55 is: 214,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,958.11 : 347,676.23 = 155,146.55 : x
  2. Step 2: Convert to fraction form
    251,958.11/347,676.23 = 155,146.55/x
  3. Step 3: Cross multiply
    251,958.11x = 347,676.23 × 155,146.55
  4. Step 4: Simplify right side
    251,958.11x = 53,940,766,825.77
  5. Step 5: Solve for x
    x = 53,940,766,825.77/251,958.11
  6. Step 6: Final answer
    x = 214,086.25

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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.