Home / 100,861.20-151,291.80-41,677.20

Finding the Fourth Proportional to 100,861.20, 151,291.80 and 41,677.20

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Solution

The fourth proportional to 100,861.20, 151,291.80 and 41,677.20 is: 62,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,861.20 : 151,291.80 = 41,677.20 : x
  2. Step 2: Convert to fraction form
    100,861.20/151,291.80 = 41,677.20/x
  3. Step 3: Cross multiply
    100,861.20x = 151,291.80 × 41,677.20
  4. Step 4: Simplify right side
    100,861.20x = 6,305,418,606.96
  5. Step 5: Solve for x
    x = 6,305,418,606.96/100,861.20
  6. Step 6: Final answer
    x = 62,515.80

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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.