Home / 112,401.20-168,106.06-100,008.20

Finding the Fourth Proportional to 112,401.20, 168,106.06 and 100,008.20

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Solution

The fourth proportional to 112,401.20, 168,106.06 and 100,008.20 is: 149,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,401.20 : 168,106.06 = 100,008.20 : x
  2. Step 2: Convert to fraction form
    112,401.20/168,106.06 = 100,008.20/x
  3. Step 3: Cross multiply
    112,401.20x = 168,106.06 × 100,008.20
  4. Step 4: Simplify right side
    112,401.20x = 16,811,984,469.69
  5. Step 5: Solve for x
    x = 16,811,984,469.69/112,401.20
  6. Step 6: Final answer
    x = 149,571.22

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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.