Home / 189,900.36-262,051.89-103,842.29

Finding the Fourth Proportional to 189,900.36, 262,051.89 and 103,842.29

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Solution

The fourth proportional to 189,900.36, 262,051.89 and 103,842.29 is: 143,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,900.36 : 262,051.89 = 103,842.29 : x
  2. Step 2: Convert to fraction form
    189,900.36/262,051.89 = 103,842.29/x
  3. Step 3: Cross multiply
    189,900.36x = 262,051.89 × 103,842.29
  4. Step 4: Simplify right side
    189,900.36x = 27,212,067,046.17
  5. Step 5: Solve for x
    x = 27,212,067,046.17/189,900.36
  6. Step 6: Final answer
    x = 143,296.55

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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.