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Finding the Fourth Proportional to 107,446.20, 161,201.70 and 57,550.20

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Solution

The fourth proportional to 107,446.20, 161,201.70 and 57,550.20 is: 86,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,446.20 : 161,201.70 = 57,550.20 : x
  2. Step 2: Convert to fraction form
    107,446.20/161,201.70 = 57,550.20/x
  3. Step 3: Cross multiply
    107,446.20x = 161,201.70 × 57,550.20
  4. Step 4: Simplify right side
    107,446.20x = 9,277,190,075.34
  5. Step 5: Solve for x
    x = 9,277,190,075.34/107,446.20
  6. Step 6: Final answer
    x = 86,342.65

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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.