Home / 192,661.08-288,992.04-103,956.36

Finding the Fourth Proportional to 192,661.08, 288,992.04 and 103,956.36

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Solution

The fourth proportional to 192,661.08, 288,992.04 and 103,956.36 is: 155,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,661.08 : 288,992.04 = 103,956.36 : x
  2. Step 2: Convert to fraction form
    192,661.08/288,992.04 = 103,956.36/x
  3. Step 3: Cross multiply
    192,661.08x = 288,992.04 × 103,956.36
  4. Step 4: Simplify right side
    192,661.08x = 30,042,560,547.37
  5. Step 5: Solve for x
    x = 30,042,560,547.37/192,661.08
  6. Step 6: Final answer
    x = 155,934.77

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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.