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Finding the Fourth Proportional to 68,178.94, 102,240.45 and 23,790.74

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Solution

The fourth proportional to 68,178.94, 102,240.45 and 23,790.74 is: 35,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,178.94 : 102,240.45 = 23,790.74 : x
  2. Step 2: Convert to fraction form
    68,178.94/102,240.45 = 23,790.74/x
  3. Step 3: Cross multiply
    68,178.94x = 102,240.45 × 23,790.74
  4. Step 4: Simplify right side
    68,178.94x = 2,432,375,452.23
  5. Step 5: Solve for x
    x = 2,432,375,452.23/68,178.94
  6. Step 6: Final answer
    x = 35,676.35

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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.