Home / 179,585.10-269,379-79,718.45

Finding the Fourth Proportional to 179,585.10, 269,379 and 79,718.45

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Solution

The fourth proportional to 179,585.10, 269,379 and 79,718.45 is: 119,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,585.10 : 269,379 = 79,718.45 : x
  2. Step 2: Convert to fraction form
    179,585.10/269,379 = 79,718.45/x
  3. Step 3: Cross multiply
    179,585.10x = 269,379 × 79,718.45
  4. Step 4: Simplify right side
    179,585.10x = 21,474,476,342.55
  5. Step 5: Solve for x
    x = 21,474,476,342.55/179,585.10
  6. Step 6: Final answer
    x = 119,578.27

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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.