Home / 169,396.04-253,872.52-69,439.20

Finding the Fourth Proportional to 169,396.04, 253,872.52 and 69,439.20

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Solution

The fourth proportional to 169,396.04, 253,872.52 and 69,439.20 is: 104,067.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,396.04 : 253,872.52 = 69,439.20 : x
  2. Step 2: Convert to fraction form
    169,396.04/253,872.52 = 69,439.20/x
  3. Step 3: Cross multiply
    169,396.04x = 253,872.52 × 69,439.20
  4. Step 4: Simplify right side
    169,396.04x = 17,628,704,690.78
  5. Step 5: Solve for x
    x = 17,628,704,690.78/169,396.04
  6. Step 6: Final answer
    x = 104,067.99

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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.