Home / 189,154.33-261,034.73-104,274.43

Finding the Fourth Proportional to 189,154.33, 261,034.73 and 104,274.43

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Solution

The fourth proportional to 189,154.33, 261,034.73 and 104,274.43 is: 143,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154.33 : 261,034.73 = 104,274.43 : x
  2. Step 2: Convert to fraction form
    189,154.33/261,034.73 = 104,274.43/x
  3. Step 3: Cross multiply
    189,154.33x = 261,034.73 × 104,274.43
  4. Step 4: Simplify right side
    189,154.33x = 27,219,247,680.95
  5. Step 5: Solve for x
    x = 27,219,247,680.95/189,154.33
  6. Step 6: Final answer
    x = 143,899.68

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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.