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Finding the Fourth Proportional to 162,690.64, 244,044.60 and 51,874

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Solution

The fourth proportional to 162,690.64, 244,044.60 and 51,874 is: 77,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,690.64 : 244,044.60 = 51,874 : x
  2. Step 2: Convert to fraction form
    162,690.64/244,044.60 = 51,874/x
  3. Step 3: Cross multiply
    162,690.64x = 244,044.60 × 51,874
  4. Step 4: Simplify right side
    162,690.64x = 12,659,569,580.40
  5. Step 5: Solve for x
    x = 12,659,569,580.40/162,690.64
  6. Step 6: Final answer
    x = 77,813.75

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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.