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Finding the Fourth Proportional to 115,295.56, 171,797.22 and 102,718.96

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Solution

The fourth proportional to 115,295.56, 171,797.22 and 102,718.96 is: 153,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,295.56 : 171,797.22 = 102,718.96 : x
  2. Step 2: Convert to fraction form
    115,295.56/171,797.22 = 102,718.96/x
  3. Step 3: Cross multiply
    115,295.56x = 171,797.22 × 102,718.96
  4. Step 4: Simplify right side
    115,295.56x = 17,646,831,769.29
  5. Step 5: Solve for x
    x = 17,646,831,769.29/115,295.56
  6. Step 6: Final answer
    x = 153,057.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.