Home / 190,204.88-262,480.85-102,989.56

Finding the Fourth Proportional to 190,204.88, 262,480.85 and 102,989.56

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Solution

The fourth proportional to 190,204.88, 262,480.85 and 102,989.56 is: 142,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,204.88 : 262,480.85 = 102,989.56 : x
  2. Step 2: Convert to fraction form
    190,204.88/262,480.85 = 102,989.56/x
  3. Step 3: Cross multiply
    190,204.88x = 262,480.85 × 102,989.56
  4. Step 4: Simplify right side
    190,204.88x = 27,032,786,667.48
  5. Step 5: Solve for x
    x = 27,032,786,667.48/190,204.88
  6. Step 6: Final answer
    x = 142,124.57

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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.