Home / 232,179.12-320,410.58-135,380.34

Finding the Fourth Proportional to 232,179.12, 320,410.58 and 135,380.34

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Solution

The fourth proportional to 232,179.12, 320,410.58 and 135,380.34 is: 186,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,179.12 : 320,410.58 = 135,380.34 : x
  2. Step 2: Convert to fraction form
    232,179.12/320,410.58 = 135,380.34/x
  3. Step 3: Cross multiply
    232,179.12x = 320,410.58 × 135,380.34
  4. Step 4: Simplify right side
    232,179.12x = 43,377,292,583.10
  5. Step 5: Solve for x
    x = 43,377,292,583.10/232,179.12
  6. Step 6: Final answer
    x = 186,826.85

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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.