Home / 203,584.89-280,947.48-112,940.86

Finding the Fourth Proportional to 203,584.89, 280,947.48 and 112,940.86

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Solution

The fourth proportional to 203,584.89, 280,947.48 and 112,940.86 is: 155,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,584.89 : 280,947.48 = 112,940.86 : x
  2. Step 2: Convert to fraction form
    203,584.89/280,947.48 = 112,940.86/x
  3. Step 3: Cross multiply
    203,584.89x = 280,947.48 × 112,940.86
  4. Step 4: Simplify right side
    203,584.89x = 31,730,450,006.03
  5. Step 5: Solve for x
    x = 31,730,450,006.03/203,584.89
  6. Step 6: Final answer
    x = 155,858.57

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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.