Home / 106,801.21-160,202.22-100,305.82

Finding the Fourth Proportional to 106,801.21, 160,202.22 and 100,305.82

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Solution

The fourth proportional to 106,801.21, 160,202.22 and 100,305.82 is: 150,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,801.21 : 160,202.22 = 100,305.82 : x
  2. Step 2: Convert to fraction form
    106,801.21/160,202.22 = 100,305.82/x
  3. Step 3: Cross multiply
    106,801.21x = 160,202.22 × 100,305.82
  4. Step 4: Simplify right side
    106,801.21x = 16,069,215,042.92
  5. Step 5: Solve for x
    x = 16,069,215,042.92/106,801.21
  6. Step 6: Final answer
    x = 150,459.11

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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.