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Finding the Fourth Proportional to 68,271, 102,336.12 and 26,141.16

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Solution

The fourth proportional to 68,271, 102,336.12 and 26,141.16 is: 39,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,271 : 102,336.12 = 26,141.16 : x
  2. Step 2: Convert to fraction form
    68,271/102,336.12 = 26,141.16/x
  3. Step 3: Cross multiply
    68,271x = 102,336.12 × 26,141.16
  4. Step 4: Simplify right side
    68,271x = 2,675,184,886.70
  5. Step 5: Solve for x
    x = 2,675,184,886.70/68,271
  6. Step 6: Final answer
    x = 39,184.79

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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.