Home / 100,809.39-151,191.53-29,716.86

Finding the Fourth Proportional to 100,809.39, 151,191.53 and 29,716.86

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Solution

The fourth proportional to 100,809.39, 151,191.53 and 29,716.86 is: 44,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,809.39 : 151,191.53 = 29,716.86 : x
  2. Step 2: Convert to fraction form
    100,809.39/151,191.53 = 29,716.86/x
  3. Step 3: Cross multiply
    100,809.39x = 151,191.53 × 29,716.86
  4. Step 4: Simplify right side
    100,809.39x = 4,492,937,604.49
  5. Step 5: Solve for x
    x = 4,492,937,604.49/100,809.39
  6. Step 6: Final answer
    x = 44,568.64

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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.