Home / 203,136.04-304,819.26-109,639.72

Finding the Fourth Proportional to 203,136.04, 304,819.26 and 109,639.72

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Solution

The fourth proportional to 203,136.04, 304,819.26 and 109,639.72 is: 164,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,136.04 : 304,819.26 = 109,639.72 : x
  2. Step 2: Convert to fraction form
    203,136.04/304,819.26 = 109,639.72/x
  3. Step 3: Cross multiply
    203,136.04x = 304,819.26 × 109,639.72
  4. Step 4: Simplify right side
    203,136.04x = 33,420,298,317.01
  5. Step 5: Solve for x
    x = 33,420,298,317.01/203,136.04
  6. Step 6: Final answer
    x = 164,521.76

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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.