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Finding the Fourth Proportional to 192,447.96, 265,567.45 and 106,401.96

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Solution

The fourth proportional to 192,447.96, 265,567.45 and 106,401.96 is: 146,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,447.96 : 265,567.45 = 106,401.96 : x
  2. Step 2: Convert to fraction form
    192,447.96/265,567.45 = 106,401.96/x
  3. Step 3: Cross multiply
    192,447.96x = 265,567.45 × 106,401.96
  4. Step 4: Simplify right side
    192,447.96x = 28,256,897,192.20
  5. Step 5: Solve for x
    x = 28,256,897,192.20/192,447.96
  6. Step 6: Final answer
    x = 146,828.77

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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.