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Finding the Fourth Proportional to 100,496.16, 150,603.46 and 75,520.26

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Solution

The fourth proportional to 100,496.16, 150,603.46 and 75,520.26 is: 113,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,496.16 : 150,603.46 = 75,520.26 : x
  2. Step 2: Convert to fraction form
    100,496.16/150,603.46 = 75,520.26/x
  3. Step 3: Cross multiply
    100,496.16x = 150,603.46 × 75,520.26
  4. Step 4: Simplify right side
    100,496.16x = 11,373,612,456.10
  5. Step 5: Solve for x
    x = 11,373,612,456.10/100,496.16
  6. Step 6: Final answer
    x = 113,174.60

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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.