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Finding the Fourth Proportional to 180,136.63, 270,204.95 and 47,015.73

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Solution

The fourth proportional to 180,136.63, 270,204.95 and 47,015.73 is: 70,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,136.63 : 270,204.95 = 47,015.73 : x
  2. Step 2: Convert to fraction form
    180,136.63/270,204.95 = 47,015.73/x
  3. Step 3: Cross multiply
    180,136.63x = 270,204.95 × 47,015.73
  4. Step 4: Simplify right side
    180,136.63x = 12,703,882,973.86
  5. Step 5: Solve for x
    x = 12,703,882,973.86/180,136.63
  6. Step 6: Final answer
    x = 70,523.60

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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.