Home / 180,136.50-270,195.01-91,387.70

Finding the Fourth Proportional to 180,136.50, 270,195.01 and 91,387.70

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Solution

The fourth proportional to 180,136.50, 270,195.01 and 91,387.70 is: 137,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,136.50 : 270,195.01 = 91,387.70 : x
  2. Step 2: Convert to fraction form
    180,136.50/270,195.01 = 91,387.70/x
  3. Step 3: Cross multiply
    180,136.50x = 270,195.01 × 91,387.70
  4. Step 4: Simplify right side
    180,136.50x = 24,692,500,709.09
  5. Step 5: Solve for x
    x = 24,692,500,709.09/180,136.50
  6. Step 6: Final answer
    x = 137,076.61

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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.