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Finding the Fourth Proportional to 164,230.18, 246,268.70 and 85,323.22

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Solution

The fourth proportional to 164,230.18, 246,268.70 and 85,323.22 is: 127,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,230.18 : 246,268.70 = 85,323.22 : x
  2. Step 2: Convert to fraction form
    164,230.18/246,268.70 = 85,323.22/x
  3. Step 3: Cross multiply
    164,230.18x = 246,268.70 × 85,323.22
  4. Step 4: Simplify right side
    164,230.18x = 21,012,436,811.25
  5. Step 5: Solve for x
    x = 21,012,436,811.25/164,230.18
  6. Step 6: Final answer
    x = 127,945.04

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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.