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Finding the Fourth Proportional to 100,099.77, 150,166.05 and 47,480.55

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Solution

The fourth proportional to 100,099.77, 150,166.05 and 47,480.55 is: 71,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,099.77 : 150,166.05 = 47,480.55 : x
  2. Step 2: Convert to fraction form
    100,099.77/150,166.05 = 47,480.55/x
  3. Step 3: Cross multiply
    100,099.77x = 150,166.05 × 47,480.55
  4. Step 4: Simplify right side
    100,099.77x = 7,129,966,645.33
  5. Step 5: Solve for x
    x = 7,129,966,645.33/100,099.77
  6. Step 6: Final answer
    x = 71,228.60

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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.