Home / 215,512.02-297,385.30-120,027.60

Finding the Fourth Proportional to 215,512.02, 297,385.30 and 120,027.60

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Solution

The fourth proportional to 215,512.02, 297,385.30 and 120,027.60 is: 165,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,512.02 : 297,385.30 = 120,027.60 : x
  2. Step 2: Convert to fraction form
    215,512.02/297,385.30 = 120,027.60/x
  3. Step 3: Cross multiply
    215,512.02x = 297,385.30 × 120,027.60
  4. Step 4: Simplify right side
    215,512.02x = 35,694,442,490.68
  5. Step 5: Solve for x
    x = 35,694,442,490.68/215,512.02
  6. Step 6: Final answer
    x = 165,626.23

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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.