Home / 107,386.20-161,079.87-36,309.30

Finding the Fourth Proportional to 107,386.20, 161,079.87 and 36,309.30

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Solution

The fourth proportional to 107,386.20, 161,079.87 and 36,309.30 is: 54,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,386.20 : 161,079.87 = 36,309.30 : x
  2. Step 2: Convert to fraction form
    107,386.20/161,079.87 = 36,309.30/x
  3. Step 3: Cross multiply
    107,386.20x = 161,079.87 × 36,309.30
  4. Step 4: Simplify right side
    107,386.20x = 5,848,697,323.79
  5. Step 5: Solve for x
    x = 5,848,697,323.79/107,386.20
  6. Step 6: Final answer
    x = 54,464.14

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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.