Home / 192,358.23-265,468.09-106,315.36

Finding the Fourth Proportional to 192,358.23, 265,468.09 and 106,315.36

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Solution

The fourth proportional to 192,358.23, 265,468.09 and 106,315.36 is: 146,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,358.23 : 265,468.09 = 106,315.36 : x
  2. Step 2: Convert to fraction form
    192,358.23/265,468.09 = 106,315.36/x
  3. Step 3: Cross multiply
    192,358.23x = 265,468.09 × 106,315.36
  4. Step 4: Simplify right side
    192,358.23x = 28,223,335,556.86
  5. Step 5: Solve for x
    x = 28,223,335,556.86/192,358.23
  6. Step 6: Final answer
    x = 146,722.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.