Home / 189,901.13-262,052.91-103,843.04

Finding the Fourth Proportional to 189,901.13, 262,052.91 and 103,843.04

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Solution

The fourth proportional to 189,901.13, 262,052.91 and 103,843.04 is: 143,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,901.13 : 262,052.91 = 103,843.04 : x
  2. Step 2: Convert to fraction form
    189,901.13/262,052.91 = 103,843.04/x
  3. Step 3: Cross multiply
    189,901.13x = 262,052.91 × 103,843.04
  4. Step 4: Simplify right side
    189,901.13x = 27,212,369,504.98
  5. Step 5: Solve for x
    x = 27,212,369,504.98/189,901.13
  6. Step 6: Final answer
    x = 143,297.57

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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.