Home / 192,206.40-288,308.92-51,965

Finding the Fourth Proportional to 192,206.40, 288,308.92 and 51,965

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Solution

The fourth proportional to 192,206.40, 288,308.92 and 51,965 is: 77,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,206.40 : 288,308.92 = 51,965 : x
  2. Step 2: Convert to fraction form
    192,206.40/288,308.92 = 51,965/x
  3. Step 3: Cross multiply
    192,206.40x = 288,308.92 × 51,965
  4. Step 4: Simplify right side
    192,206.40x = 14,981,973,027.80
  5. Step 5: Solve for x
    x = 14,981,973,027.80/192,206.40
  6. Step 6: Final answer
    x = 77,947.32

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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.