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Finding the Fourth Proportional to 159,362, 219,919.56 and 88,706

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Solution

The fourth proportional to 159,362, 219,919.56 and 88,706 is: 122,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,362 : 219,919.56 = 88,706 : x
  2. Step 2: Convert to fraction form
    159,362/219,919.56 = 88,706/x
  3. Step 3: Cross multiply
    159,362x = 219,919.56 × 88,706
  4. Step 4: Simplify right side
    159,362x = 19,508,184,489.36
  5. Step 5: Solve for x
    x = 19,508,184,489.36/159,362
  6. Step 6: Final answer
    x = 122,414.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.