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Finding the Fourth Proportional to 163,861.10, 229,872.10 and 163,861.10

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Solution

The fourth proportional to 163,861.10, 229,872.10 and 163,861.10 is: 229,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,861.10 : 229,872.10 = 163,861.10 : x
  2. Step 2: Convert to fraction form
    163,861.10/229,872.10 = 163,861.10/x
  3. Step 3: Cross multiply
    163,861.10x = 229,872.10 × 163,861.10
  4. Step 4: Simplify right side
    163,861.10x = 37,667,095,165.31
  5. Step 5: Solve for x
    x = 37,667,095,165.31/163,861.10
  6. Step 6: Final answer
    x = 229,872.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.