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Finding the Fourth Proportional to 146,178.25, 201,726 and 79,110.25

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Solution

The fourth proportional to 146,178.25, 201,726 and 79,110.25 is: 109,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,178.25 : 201,726 = 79,110.25 : x
  2. Step 2: Convert to fraction form
    146,178.25/201,726 = 79,110.25/x
  3. Step 3: Cross multiply
    146,178.25x = 201,726 × 79,110.25
  4. Step 4: Simplify right side
    146,178.25x = 15,958,594,291.50
  5. Step 5: Solve for x
    x = 15,958,594,291.50/146,178.25
  6. Step 6: Final answer
    x = 109,172.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.