Home / 251,876.11-347,562.60-142,945.75

Finding the Fourth Proportional to 251,876.11, 347,562.60 and 142,945.75

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Solution

The fourth proportional to 251,876.11, 347,562.60 and 142,945.75 is: 197,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,876.11 : 347,562.60 = 142,945.75 : x
  2. Step 2: Convert to fraction form
    251,876.11/347,562.60 = 142,945.75/x
  3. Step 3: Cross multiply
    251,876.11x = 347,562.60 × 142,945.75
  4. Step 4: Simplify right side
    251,876.11x = 49,682,597,397.86
  5. Step 5: Solve for x
    x = 49,682,597,397.86/251,876.11
  6. Step 6: Final answer
    x = 197,250.14

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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.