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Finding the Fourth Proportional to 178,449.86, 246,276.61 and 97,893.09

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Solution

The fourth proportional to 178,449.86, 246,276.61 and 97,893.09 is: 135,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,449.86 : 246,276.61 = 97,893.09 : x
  2. Step 2: Convert to fraction form
    178,449.86/246,276.61 = 97,893.09/x
  3. Step 3: Cross multiply
    178,449.86x = 246,276.61 × 97,893.09
  4. Step 4: Simplify right side
    178,449.86x = 24,108,778,102.89
  5. Step 5: Solve for x
    x = 24,108,778,102.89/178,449.86
  6. Step 6: Final answer
    x = 135,101.13

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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.