Home / 219,158.44-328,760.32-69,419.12

Finding the Fourth Proportional to 219,158.44, 328,760.32 and 69,419.12

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Solution

The fourth proportional to 219,158.44, 328,760.32 and 69,419.12 is: 104,135.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,158.44 : 328,760.32 = 69,419.12 : x
  2. Step 2: Convert to fraction form
    219,158.44/328,760.32 = 69,419.12/x
  3. Step 3: Cross multiply
    219,158.44x = 328,760.32 × 69,419.12
  4. Step 4: Simplify right side
    219,158.44x = 22,822,252,105.32
  5. Step 5: Solve for x
    x = 22,822,252,105.32/219,158.44
  6. Step 6: Final answer
    x = 104,135.86

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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.