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Finding the Fourth Proportional to 192,479.88, 265,623.30 and 107,600.52

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Solution

The fourth proportional to 192,479.88, 265,623.30 and 107,600.52 is: 148,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,479.88 : 265,623.30 = 107,600.52 : x
  2. Step 2: Convert to fraction form
    192,479.88/265,623.30 = 107,600.52/x
  3. Step 3: Cross multiply
    192,479.88x = 265,623.30 × 107,600.52
  4. Step 4: Simplify right side
    192,479.88x = 28,581,205,204.12
  5. Step 5: Solve for x
    x = 28,581,205,204.12/192,479.88
  6. Step 6: Final answer
    x = 148,489.31

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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.