Home / 76,136.58-114,204.51-50,782.50

Finding the Fourth Proportional to 76,136.58, 114,204.51 and 50,782.50

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Solution

The fourth proportional to 76,136.58, 114,204.51 and 50,782.50 is: 76,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,136.58 : 114,204.51 = 50,782.50 : x
  2. Step 2: Convert to fraction form
    76,136.58/114,204.51 = 50,782.50/x
  3. Step 3: Cross multiply
    76,136.58x = 114,204.51 × 50,782.50
  4. Step 4: Simplify right side
    76,136.58x = 5,799,590,529.08
  5. Step 5: Solve for x
    x = 5,799,590,529.08/76,136.58
  6. Step 6: Final answer
    x = 76,173.51

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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.