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Finding the Fourth Proportional to 68,178.78, 102,277.08 and 23,818.32

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Solution

The fourth proportional to 68,178.78, 102,277.08 and 23,818.32 is: 35,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,178.78 : 102,277.08 = 23,818.32 : x
  2. Step 2: Convert to fraction form
    68,178.78/102,277.08 = 23,818.32/x
  3. Step 3: Cross multiply
    68,178.78x = 102,277.08 × 23,818.32
  4. Step 4: Simplify right side
    68,178.78x = 2,436,068,220.11
  5. Step 5: Solve for x
    x = 2,436,068,220.11/68,178.78
  6. Step 6: Final answer
    x = 35,730.59

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1.5x scale

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.