Home / 252,045.15-378,134.55-109,829.40

Finding the Fourth Proportional to 252,045.15, 378,134.55 and 109,829.40

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Solution

The fourth proportional to 252,045.15, 378,134.55 and 109,829.40 is: 164,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,045.15 : 378,134.55 = 109,829.40 : x
  2. Step 2: Convert to fraction form
    252,045.15/378,134.55 = 109,829.40/x
  3. Step 3: Cross multiply
    252,045.15x = 378,134.55 × 109,829.40
  4. Step 4: Simplify right side
    252,045.15x = 41,530,290,745.77
  5. Step 5: Solve for x
    x = 41,530,290,745.77/252,045.15
  6. Step 6: Final answer
    x = 164,773.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.