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Finding the Fourth Proportional to 159,268.82, 238,736.64 and 59,385.56

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Solution

The fourth proportional to 159,268.82, 238,736.64 and 59,385.56 is: 89,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,268.82 : 238,736.64 = 59,385.56 : x
  2. Step 2: Convert to fraction form
    159,268.82/238,736.64 = 59,385.56/x
  3. Step 3: Cross multiply
    159,268.82x = 238,736.64 × 59,385.56
  4. Step 4: Simplify right side
    159,268.82x = 14,177,509,655.76
  5. Step 5: Solve for x
    x = 14,177,509,655.76/159,268.82
  6. Step 6: Final answer
    x = 89,016.23

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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.