Home / 203,090.75-280,270.62-112,454.66

Finding the Fourth Proportional to 203,090.75, 280,270.62 and 112,454.66

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Solution

The fourth proportional to 203,090.75, 280,270.62 and 112,454.66 is: 155,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,090.75 : 280,270.62 = 112,454.66 : x
  2. Step 2: Convert to fraction form
    203,090.75/280,270.62 = 112,454.66/x
  3. Step 3: Cross multiply
    203,090.75x = 280,270.62 × 112,454.66
  4. Step 4: Simplify right side
    203,090.75x = 31,517,735,878.74
  5. Step 5: Solve for x
    x = 31,517,735,878.74/203,090.75
  6. Step 6: Final answer
    x = 155,190.41

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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.