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Finding the Fourth Proportional to 192,380.81, 265,655.73 and 119,907.39

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Solution

The fourth proportional to 192,380.81, 265,655.73 and 119,907.39 is: 165,578.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,380.81 : 265,655.73 = 119,907.39 : x
  2. Step 2: Convert to fraction form
    192,380.81/265,655.73 = 119,907.39/x
  3. Step 3: Cross multiply
    192,380.81x = 265,655.73 × 119,907.39
  4. Step 4: Simplify right side
    192,380.81x = 31,854,085,222.84
  5. Step 5: Solve for x
    x = 31,854,085,222.84/192,380.81
  6. Step 6: Final answer
    x = 165,578.29

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1.5x scale

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.