Home / 251,919.37-347,641.63-137,195.43

Finding the Fourth Proportional to 251,919.37, 347,641.63 and 137,195.43

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Solution

The fourth proportional to 251,919.37, 347,641.63 and 137,195.43 is: 189,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,919.37 : 347,641.63 = 137,195.43 : x
  2. Step 2: Convert to fraction form
    251,919.37/347,641.63 = 137,195.43/x
  3. Step 3: Cross multiply
    251,919.37x = 347,641.63 × 137,195.43
  4. Step 4: Simplify right side
    251,919.37x = 47,694,842,913.75
  5. Step 5: Solve for x
    x = 47,694,842,913.75/251,919.37
  6. Step 6: Final answer
    x = 189,325.83

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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.