Home / 133,467.40-200,136.30-74,240.20

Finding the Fourth Proportional to 133,467.40, 200,136.30 and 74,240.20

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Solution

The fourth proportional to 133,467.40, 200,136.30 and 74,240.20 is: 111,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,467.40 : 200,136.30 = 74,240.20 : x
  2. Step 2: Convert to fraction form
    133,467.40/200,136.30 = 74,240.20/x
  3. Step 3: Cross multiply
    133,467.40x = 200,136.30 × 74,240.20
  4. Step 4: Simplify right side
    133,467.40x = 14,858,158,939.26
  5. Step 5: Solve for x
    x = 14,858,158,939.26/133,467.40
  6. Step 6: Final answer
    x = 111,324.26

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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.