Home / 69,439.98-104,151.72-18,145.26

Finding the Fourth Proportional to 69,439.98, 104,151.72 and 18,145.26

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Solution

The fourth proportional to 69,439.98, 104,151.72 and 18,145.26 is: 27,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439.98 : 104,151.72 = 18,145.26 : x
  2. Step 2: Convert to fraction form
    69,439.98/104,151.72 = 18,145.26/x
  3. Step 3: Cross multiply
    69,439.98x = 104,151.72 × 18,145.26
  4. Step 4: Simplify right side
    69,439.98x = 1,889,860,038.85
  5. Step 5: Solve for x
    x = 1,889,860,038.85/69,439.98
  6. Step 6: Final answer
    x = 27,215.73

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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.