Home / 76,136.61-114,272.75-36,204.82

Finding the Fourth Proportional to 76,136.61, 114,272.75 and 36,204.82

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Solution

The fourth proportional to 76,136.61, 114,272.75 and 36,204.82 is: 54,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,136.61 : 114,272.75 = 36,204.82 : x
  2. Step 2: Convert to fraction form
    76,136.61/114,272.75 = 36,204.82/x
  3. Step 3: Cross multiply
    76,136.61x = 114,272.75 × 36,204.82
  4. Step 4: Simplify right side
    76,136.61x = 4,137,224,344.66
  5. Step 5: Solve for x
    x = 4,137,224,344.66/76,136.61
  6. Step 6: Final answer
    x = 54,339.49

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1.5x scale

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.