Home / 251,906.73-347,626.08-137,187.38

Finding the Fourth Proportional to 251,906.73, 347,626.08 and 137,187.38

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Solution

The fourth proportional to 251,906.73, 347,626.08 and 137,187.38 is: 189,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,906.73 : 347,626.08 = 137,187.38 : x
  2. Step 2: Convert to fraction form
    251,906.73/347,626.08 = 137,187.38/x
  3. Step 3: Cross multiply
    251,906.73x = 347,626.08 × 137,187.38
  4. Step 4: Simplify right side
    251,906.73x = 47,689,911,134.87
  5. Step 5: Solve for x
    x = 47,689,911,134.87/251,906.73
  6. Step 6: Final answer
    x = 189,315.75

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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.