Home / 81,448.08-122,185.36-28,846.16

Finding the Fourth Proportional to 81,448.08, 122,185.36 and 28,846.16

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Solution

The fourth proportional to 81,448.08, 122,185.36 and 28,846.16 is: 43,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,448.08 : 122,185.36 = 28,846.16 : x
  2. Step 2: Convert to fraction form
    81,448.08/122,185.36 = 28,846.16/x
  3. Step 3: Cross multiply
    81,448.08x = 122,185.36 × 28,846.16
  4. Step 4: Simplify right side
    81,448.08x = 3,524,578,444.22
  5. Step 5: Solve for x
    x = 3,524,578,444.22/81,448.08
  6. Step 6: Final answer
    x = 43,273.93

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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.