Home / 107,629.14-161,443.80-51,456

Finding the Fourth Proportional to 107,629.14, 161,443.80 and 51,456

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Solution

The fourth proportional to 107,629.14, 161,443.80 and 51,456 is: 77,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,629.14 : 161,443.80 = 51,456 : x
  2. Step 2: Convert to fraction form
    107,629.14/161,443.80 = 51,456/x
  3. Step 3: Cross multiply
    107,629.14x = 161,443.80 × 51,456
  4. Step 4: Simplify right side
    107,629.14x = 8,307,252,172.80
  5. Step 5: Solve for x
    x = 8,307,252,172.80/107,629.14
  6. Step 6: Final answer
    x = 77,184.04

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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.