Home / 195,939.07-294,039.42-71,280.07

Finding the Fourth Proportional to 195,939.07, 294,039.42 and 71,280.07

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Solution

The fourth proportional to 195,939.07, 294,039.42 and 71,280.07 is: 106,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,939.07 : 294,039.42 = 71,280.07 : x
  2. Step 2: Convert to fraction form
    195,939.07/294,039.42 = 71,280.07/x
  3. Step 3: Cross multiply
    195,939.07x = 294,039.42 × 71,280.07
  4. Step 4: Simplify right side
    195,939.07x = 20,959,150,440.36
  5. Step 5: Solve for x
    x = 20,959,150,440.36/195,939.07
  6. Step 6: Final answer
    x = 106,967.69

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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.