Home / 100,806.90-151,136.24-34,229.16

Finding the Fourth Proportional to 100,806.90, 151,136.24 and 34,229.16

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Solution

The fourth proportional to 100,806.90, 151,136.24 and 34,229.16 is: 51,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,806.90 : 151,136.24 = 34,229.16 : x
  2. Step 2: Convert to fraction form
    100,806.90/151,136.24 = 34,229.16/x
  3. Step 3: Cross multiply
    100,806.90x = 151,136.24 × 34,229.16
  4. Step 4: Simplify right side
    100,806.90x = 5,173,266,540.76
  5. Step 5: Solve for x
    x = 5,173,266,540.76/100,806.90
  6. Step 6: Final answer
    x = 51,318.58

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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.