Home / 100,909.20-151,372.08-41,733.84

Finding the Fourth Proportional to 100,909.20, 151,372.08 and 41,733.84

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Solution

The fourth proportional to 100,909.20, 151,372.08 and 41,733.84 is: 62,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,909.20 : 151,372.08 = 41,733.84 : x
  2. Step 2: Convert to fraction form
    100,909.20/151,372.08 = 41,733.84/x
  3. Step 3: Cross multiply
    100,909.20x = 151,372.08 × 41,733.84
  4. Step 4: Simplify right side
    100,909.20x = 6,317,338,167.19
  5. Step 5: Solve for x
    x = 6,317,338,167.19/100,909.20
  6. Step 6: Final answer
    x = 62,604.18

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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.