Home / 190,209.33-262,496.79-105,326.39

Finding the Fourth Proportional to 190,209.33, 262,496.79 and 105,326.39

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Solution

The fourth proportional to 190,209.33, 262,496.79 and 105,326.39 is: 145,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.33 : 262,496.79 = 105,326.39 : x
  2. Step 2: Convert to fraction form
    190,209.33/262,496.79 = 105,326.39/x
  3. Step 3: Cross multiply
    190,209.33x = 262,496.79 × 105,326.39
  4. Step 4: Simplify right side
    190,209.33x = 27,647,838,750.66
  5. Step 5: Solve for x
    x = 27,647,838,750.66/190,209.33
  6. Step 6: Final answer
    x = 145,354.80

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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.