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Finding the Fourth Proportional to 162,927.70, 244,379.40 and 68,133.40

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Solution

The fourth proportional to 162,927.70, 244,379.40 and 68,133.40 is: 102,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,927.70 : 244,379.40 = 68,133.40 : x
  2. Step 2: Convert to fraction form
    162,927.70/244,379.40 = 68,133.40/x
  3. Step 3: Cross multiply
    162,927.70x = 244,379.40 × 68,133.40
  4. Step 4: Simplify right side
    162,927.70x = 16,650,399,411.96
  5. Step 5: Solve for x
    x = 16,650,399,411.96/162,927.70
  6. Step 6: Final answer
    x = 102,195.02

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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.