Home / 192,723.09-289,084.63-66,366.43

Finding the Fourth Proportional to 192,723.09, 289,084.63 and 66,366.43

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Solution

The fourth proportional to 192,723.09, 289,084.63 and 66,366.43 is: 99,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,723.09 : 289,084.63 = 66,366.43 : x
  2. Step 2: Convert to fraction form
    192,723.09/289,084.63 = 66,366.43/x
  3. Step 3: Cross multiply
    192,723.09x = 289,084.63 × 66,366.43
  4. Step 4: Simplify right side
    192,723.09x = 19,185,514,860.97
  5. Step 5: Solve for x
    x = 19,185,514,860.97/192,723.09
  6. Step 6: Final answer
    x = 99,549.64

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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.