Home / 189,588.48-261,648.38-104,721.95

Finding the Fourth Proportional to 189,588.48, 261,648.38 and 104,721.95

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Solution

The fourth proportional to 189,588.48, 261,648.38 and 104,721.95 is: 144,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,588.48 : 261,648.38 = 104,721.95 : x
  2. Step 2: Convert to fraction form
    189,588.48/261,648.38 = 104,721.95/x
  3. Step 3: Cross multiply
    189,588.48x = 261,648.38 × 104,721.95
  4. Step 4: Simplify right side
    189,588.48x = 27,400,326,736.09
  5. Step 5: Solve for x
    x = 27,400,326,736.09/189,588.48
  6. Step 6: Final answer
    x = 144,525.27

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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.