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Finding the Fourth Proportional to 160,958, 222,122.04 and 104,369.78

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Solution

The fourth proportional to 160,958, 222,122.04 and 104,369.78 is: 144,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,958 : 222,122.04 = 104,369.78 : x
  2. Step 2: Convert to fraction form
    160,958/222,122.04 = 104,369.78/x
  3. Step 3: Cross multiply
    160,958x = 222,122.04 × 104,369.78
  4. Step 4: Simplify right side
    160,958x = 23,182,828,447.95
  5. Step 5: Solve for x
    x = 23,182,828,447.95/160,958
  6. Step 6: Final answer
    x = 144,030.30

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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.