Home / 269,135.71-403,401.83-109,174.48

Finding the Fourth Proportional to 269,135.71, 403,401.83 and 109,174.48

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Solution

The fourth proportional to 269,135.71, 403,401.83 and 109,174.48 is: 163,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,135.71 : 403,401.83 = 109,174.48 : x
  2. Step 2: Convert to fraction form
    269,135.71/403,401.83 = 109,174.48/x
  3. Step 3: Cross multiply
    269,135.71x = 403,401.83 × 109,174.48
  4. Step 4: Simplify right side
    269,135.71x = 44,041,182,458.42
  5. Step 5: Solve for x
    x = 44,041,182,458.42/269,135.71
  6. Step 6: Final answer
    x = 163,639.32

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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.