Home / 190,110.92-285,108.78-79,277

Finding the Fourth Proportional to 190,110.92, 285,108.78 and 79,277

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Solution

The fourth proportional to 190,110.92, 285,108.78 and 79,277 is: 118,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,110.92 : 285,108.78 = 79,277 : x
  2. Step 2: Convert to fraction form
    190,110.92/285,108.78 = 79,277/x
  3. Step 3: Cross multiply
    190,110.92x = 285,108.78 × 79,277
  4. Step 4: Simplify right side
    190,110.92x = 22,602,568,752.06
  5. Step 5: Solve for x
    x = 22,602,568,752.06/190,110.92
  6. Step 6: Final answer
    x = 118,891.48

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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.