Home / 76,136.29-114,212.04-26,209.78

Finding the Fourth Proportional to 76,136.29, 114,212.04 and 26,209.78

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Solution

The fourth proportional to 76,136.29, 114,212.04 and 26,209.78 is: 39,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,136.29 : 114,212.04 = 26,209.78 : x
  2. Step 2: Convert to fraction form
    76,136.29/114,212.04 = 26,209.78/x
  3. Step 3: Cross multiply
    76,136.29x = 114,212.04 × 26,209.78
  4. Step 4: Simplify right side
    76,136.29x = 2,993,471,739.64
  5. Step 5: Solve for x
    x = 2,993,471,739.64/76,136.29
  6. Step 6: Final answer
    x = 39,317.28

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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.