Home / 188,701.20-283,379.85-100,127.70

Finding the Fourth Proportional to 188,701.20, 283,379.85 and 100,127.70

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Solution

The fourth proportional to 188,701.20, 283,379.85 and 100,127.70 is: 150,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,701.20 : 283,379.85 = 100,127.70 : x
  2. Step 2: Convert to fraction form
    188,701.20/283,379.85 = 100,127.70/x
  3. Step 3: Cross multiply
    188,701.20x = 283,379.85 × 100,127.70
  4. Step 4: Simplify right side
    188,701.20x = 28,374,172,606.85
  5. Step 5: Solve for x
    x = 28,374,172,606.85/188,701.20
  6. Step 6: Final answer
    x = 150,365.62

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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.