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Finding the Fourth Proportional to 100,008.56, 150,013.56 and 29,889.20

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Solution

The fourth proportional to 100,008.56, 150,013.56 and 29,889.20 is: 44,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,008.56 : 150,013.56 = 29,889.20 : x
  2. Step 2: Convert to fraction form
    100,008.56/150,013.56 = 29,889.20/x
  3. Step 3: Cross multiply
    100,008.56x = 150,013.56 × 29,889.20
  4. Step 4: Simplify right side
    100,008.56x = 4,483,785,297.55
  5. Step 5: Solve for x
    x = 4,483,785,297.55/100,008.56
  6. Step 6: Final answer
    x = 44,834.02

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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.