Home / 192,665.08-288,998.04-103,960.36

Finding the Fourth Proportional to 192,665.08, 288,998.04 and 103,960.36

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Solution

The fourth proportional to 192,665.08, 288,998.04 and 103,960.36 is: 155,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,665.08 : 288,998.04 = 103,960.36 : x
  2. Step 2: Convert to fraction form
    192,665.08/288,998.04 = 103,960.36/x
  3. Step 3: Cross multiply
    192,665.08x = 288,998.04 × 103,960.36
  4. Step 4: Simplify right side
    192,665.08x = 30,044,340,277.69
  5. Step 5: Solve for x
    x = 30,044,340,277.69/192,665.08
  6. Step 6: Final answer
    x = 155,940.77

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1.5x scale

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.