Home / 192,345.36-288,556.92-65,981.04

Finding the Fourth Proportional to 192,345.36, 288,556.92 and 65,981.04

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Solution

The fourth proportional to 192,345.36, 288,556.92 and 65,981.04 is: 98,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,345.36 : 288,556.92 = 65,981.04 : x
  2. Step 2: Convert to fraction form
    192,345.36/288,556.92 = 65,981.04/x
  3. Step 3: Cross multiply
    192,345.36x = 288,556.92 × 65,981.04
  4. Step 4: Simplify right side
    192,345.36x = 19,039,285,680.80
  5. Step 5: Solve for x
    x = 19,039,285,680.80/192,345.36
  6. Step 6: Final answer
    x = 98,984.90

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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.