Home / 203,113.57-280,293.29-112,467.58

Finding the Fourth Proportional to 203,113.57, 280,293.29 and 112,467.58

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Solution

The fourth proportional to 203,113.57, 280,293.29 and 112,467.58 is: 155,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,113.57 : 280,293.29 = 112,467.58 : x
  2. Step 2: Convert to fraction form
    203,113.57/280,293.29 = 112,467.58/x
  3. Step 3: Cross multiply
    203,113.57x = 280,293.29 × 112,467.58
  4. Step 4: Simplify right side
    203,113.57x = 31,523,907,454.20
  5. Step 5: Solve for x
    x = 31,523,907,454.20/203,113.57
  6. Step 6: Final answer
    x = 155,203.36

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1.5x scale

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.