Home / 203,167.09-280,372.64-122,579.04

Finding the Fourth Proportional to 203,167.09, 280,372.64 and 122,579.04

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Solution

The fourth proportional to 203,167.09, 280,372.64 and 122,579.04 is: 169,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,167.09 : 280,372.64 = 122,579.04 : x
  2. Step 2: Convert to fraction form
    203,167.09/280,372.64 = 122,579.04/x
  3. Step 3: Cross multiply
    203,167.09x = 280,372.64 × 122,579.04
  4. Step 4: Simplify right side
    203,167.09x = 34,367,809,359.91
  5. Step 5: Solve for x
    x = 34,367,809,359.91/203,167.09
  6. Step 6: Final answer
    x = 169,160.32

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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.