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Finding the Fourth Proportional to 168,702.66, 232,809.65 and 92,222.07

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Solution

The fourth proportional to 168,702.66, 232,809.65 and 92,222.07 is: 127,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,702.66 : 232,809.65 = 92,222.07 : x
  2. Step 2: Convert to fraction form
    168,702.66/232,809.65 = 92,222.07/x
  3. Step 3: Cross multiply
    168,702.66x = 232,809.65 × 92,222.07
  4. Step 4: Simplify right side
    168,702.66x = 21,470,187,377.87
  5. Step 5: Solve for x
    x = 21,470,187,377.87/168,702.66
  6. Step 6: Final answer
    x = 127,266.44

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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.