Home / 189,134.22-261,006.48-104,251.36

Finding the Fourth Proportional to 189,134.22, 261,006.48 and 104,251.36

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Solution

The fourth proportional to 189,134.22, 261,006.48 and 104,251.36 is: 143,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,134.22 : 261,006.48 = 104,251.36 : x
  2. Step 2: Convert to fraction form
    189,134.22/261,006.48 = 104,251.36/x
  3. Step 3: Cross multiply
    189,134.22x = 261,006.48 × 104,251.36
  4. Step 4: Simplify right side
    189,134.22x = 27,210,280,508.81
  5. Step 5: Solve for x
    x = 27,210,280,508.81/189,134.22
  6. Step 6: Final answer
    x = 143,867.57

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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.