Home / 107,844.80-161,767.20-61,188.80

Finding the Fourth Proportional to 107,844.80, 161,767.20 and 61,188.80

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Solution

The fourth proportional to 107,844.80, 161,767.20 and 61,188.80 is: 91,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,844.80 : 161,767.20 = 61,188.80 : x
  2. Step 2: Convert to fraction form
    107,844.80/161,767.20 = 61,188.80/x
  3. Step 3: Cross multiply
    107,844.80x = 161,767.20 × 61,188.80
  4. Step 4: Simplify right side
    107,844.80x = 9,898,340,847.36
  5. Step 5: Solve for x
    x = 9,898,340,847.36/107,844.80
  6. Step 6: Final answer
    x = 91,783.20

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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.