Home / 215,829.28-297,852.96-120,352.96

Finding the Fourth Proportional to 215,829.28, 297,852.96 and 120,352.96

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Solution

The fourth proportional to 215,829.28, 297,852.96 and 120,352.96 is: 166,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,829.28 : 297,852.96 = 120,352.96 : x
  2. Step 2: Convert to fraction form
    215,829.28/297,852.96 = 120,352.96/x
  3. Step 3: Cross multiply
    215,829.28x = 297,852.96 × 120,352.96
  4. Step 4: Simplify right side
    215,829.28x = 35,847,485,380.76
  5. Step 5: Solve for x
    x = 35,847,485,380.76/215,829.28
  6. Step 6: Final answer
    x = 166,091.85

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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.