Home / 189,316.62-261,257.83-104,433.68

Finding the Fourth Proportional to 189,316.62, 261,257.83 and 104,433.68

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Solution

The fourth proportional to 189,316.62, 261,257.83 and 104,433.68 is: 144,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,316.62 : 261,257.83 = 104,433.68 : x
  2. Step 2: Convert to fraction form
    189,316.62/261,257.83 = 104,433.68/x
  3. Step 3: Cross multiply
    189,316.62x = 261,257.83 × 104,433.68
  4. Step 4: Simplify right side
    189,316.62x = 27,284,116,615.71
  5. Step 5: Solve for x
    x = 27,284,116,615.71/189,316.62
  6. Step 6: Final answer
    x = 144,118.97

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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.