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Finding the Fourth Proportional to 163,496.56, 244,889.88 and 79,079.68

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Solution

The fourth proportional to 163,496.56, 244,889.88 and 79,079.68 is: 118,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,496.56 : 244,889.88 = 79,079.68 : x
  2. Step 2: Convert to fraction form
    163,496.56/244,889.88 = 79,079.68/x
  3. Step 3: Cross multiply
    163,496.56x = 244,889.88 × 79,079.68
  4. Step 4: Simplify right side
    163,496.56x = 19,365,813,345.64
  5. Step 5: Solve for x
    x = 19,365,813,345.64/163,496.56
  6. Step 6: Final answer
    x = 118,447.83

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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.