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Finding the Fourth Proportional to 179,704.47, 269,659.71 and 73,068.75

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Solution

The fourth proportional to 179,704.47, 269,659.71 and 73,068.75 is: 109,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,704.47 : 269,659.71 = 73,068.75 : x
  2. Step 2: Convert to fraction form
    179,704.47/269,659.71 = 73,068.75/x
  3. Step 3: Cross multiply
    179,704.47x = 269,659.71 × 73,068.75
  4. Step 4: Simplify right side
    179,704.47x = 19,703,697,935.06
  5. Step 5: Solve for x
    x = 19,703,697,935.06/179,704.47
  6. Step 6: Final answer
    x = 109,645.01

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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.