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Finding the Fourth Proportional to 169,367.45, 233,714.36 and 92,874.29

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Solution

The fourth proportional to 169,367.45, 233,714.36 and 92,874.29 is: 128,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,367.45 : 233,714.36 = 92,874.29 : x
  2. Step 2: Convert to fraction form
    169,367.45/233,714.36 = 92,874.29/x
  3. Step 3: Cross multiply
    169,367.45x = 233,714.36 × 92,874.29
  4. Step 4: Simplify right side
    169,367.45x = 21,706,054,311.42
  5. Step 5: Solve for x
    x = 21,706,054,311.42/169,367.45
  6. Step 6: Final answer
    x = 128,159.54

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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.