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Finding the Fourth Proportional to 178,364.34, 246,144.78 and 101,893.50

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Solution

The fourth proportional to 178,364.34, 246,144.78 and 101,893.50 is: 140,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,364.34 : 246,144.78 = 101,893.50 : x
  2. Step 2: Convert to fraction form
    178,364.34/246,144.78 = 101,893.50/x
  3. Step 3: Cross multiply
    178,364.34x = 246,144.78 × 101,893.50
  4. Step 4: Simplify right side
    178,364.34x = 25,080,553,140.93
  5. Step 5: Solve for x
    x = 25,080,553,140.93/178,364.34
  6. Step 6: Final answer
    x = 140,614.17

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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.