Home / 203,466.80-280,787.56-112,826.60

Finding the Fourth Proportional to 203,466.80, 280,787.56 and 112,826.60

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Solution

The fourth proportional to 203,466.80, 280,787.56 and 112,826.60 is: 155,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,466.80 : 280,787.56 = 112,826.60 : x
  2. Step 2: Convert to fraction form
    203,466.80/280,787.56 = 112,826.60/x
  3. Step 3: Cross multiply
    203,466.80x = 280,787.56 × 112,826.60
  4. Step 4: Simplify right side
    203,466.80x = 31,680,305,717.10
  5. Step 5: Solve for x
    x = 31,680,305,717.10/203,466.80
  6. Step 6: Final answer
    x = 155,702.58

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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.