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Finding the Fourth Proportional to 164,859, 246,900.98 and 80,354.34

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Solution

The fourth proportional to 164,859, 246,900.98 and 80,354.34 is: 120,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,859 : 246,900.98 = 80,354.34 : x
  2. Step 2: Convert to fraction form
    164,859/246,900.98 = 80,354.34/x
  3. Step 3: Cross multiply
    164,859x = 246,900.98 × 80,354.34
  4. Step 4: Simplify right side
    164,859x = 19,839,565,293.25
  5. Step 5: Solve for x
    x = 19,839,565,293.25/164,859
  6. Step 6: Final answer
    x = 120,342.63

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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.