Home / 131,992.20-181,973.03-104,858.31

Finding the Fourth Proportional to 131,992.20, 181,973.03 and 104,858.31

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Solution

The fourth proportional to 131,992.20, 181,973.03 and 104,858.31 is: 144,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,992.20 : 181,973.03 = 104,858.31 : x
  2. Step 2: Convert to fraction form
    131,992.20/181,973.03 = 104,858.31/x
  3. Step 3: Cross multiply
    131,992.20x = 181,973.03 × 104,858.31
  4. Step 4: Simplify right side
    131,992.20x = 19,081,384,584.17
  5. Step 5: Solve for x
    x = 19,081,384,584.17/131,992.20
  6. Step 6: Final answer
    x = 144,564.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.