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Finding the Fourth Proportional to 111,383.60, 167,075.40 and 100,324.40

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Solution

The fourth proportional to 111,383.60, 167,075.40 and 100,324.40 is: 150,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,383.60 : 167,075.40 = 100,324.40 : x
  2. Step 2: Convert to fraction form
    111,383.60/167,075.40 = 100,324.40/x
  3. Step 3: Cross multiply
    111,383.60x = 167,075.40 × 100,324.40
  4. Step 4: Simplify right side
    111,383.60x = 16,761,739,259.76
  5. Step 5: Solve for x
    x = 16,761,739,259.76/111,383.60
  6. Step 6: Final answer
    x = 150,486.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.