Home / 66,906.18-100,358.10-16,305.66

Finding the Fourth Proportional to 66,906.18, 100,358.10 and 16,305.66

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Solution

The fourth proportional to 66,906.18, 100,358.10 and 16,305.66 is: 24,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.18 : 100,358.10 = 16,305.66 : x
  2. Step 2: Convert to fraction form
    66,906.18/100,358.10 = 16,305.66/x
  3. Step 3: Cross multiply
    66,906.18x = 100,358.10 × 16,305.66
  4. Step 4: Simplify right side
    66,906.18x = 1,636,405,056.85
  5. Step 5: Solve for x
    x = 1,636,405,056.85/66,906.18
  6. Step 6: Final answer
    x = 24,458.20

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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.