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Finding the Fourth Proportional to 100,401.93, 150,648.86 and 43,493.23

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Solution

The fourth proportional to 100,401.93, 150,648.86 and 43,493.23 is: 65,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,401.93 : 150,648.86 = 43,493.23 : x
  2. Step 2: Convert to fraction form
    100,401.93/150,648.86 = 43,493.23/x
  3. Step 3: Cross multiply
    100,401.93x = 150,648.86 × 43,493.23
  4. Step 4: Simplify right side
    100,401.93x = 6,552,205,517.22
  5. Step 5: Solve for x
    x = 6,552,205,517.22/100,401.93
  6. Step 6: Final answer
    x = 65,259.76

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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.