Home / 161,074.04-241,428.75-82,021.28

Finding the Fourth Proportional to 161,074.04, 241,428.75 and 82,021.28

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Solution

The fourth proportional to 161,074.04, 241,428.75 and 82,021.28 is: 122,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,074.04 : 241,428.75 = 82,021.28 : x
  2. Step 2: Convert to fraction form
    161,074.04/241,428.75 = 82,021.28/x
  3. Step 3: Cross multiply
    161,074.04x = 241,428.75 × 82,021.28
  4. Step 4: Simplify right side
    161,074.04x = 19,802,293,896.66
  5. Step 5: Solve for x
    x = 19,802,293,896.66/161,074.04
  6. Step 6: Final answer
    x = 122,939.08

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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.