Home / 189,458.20-261,454.49-104,575.33

Finding the Fourth Proportional to 189,458.20, 261,454.49 and 104,575.33

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Solution

The fourth proportional to 189,458.20, 261,454.49 and 104,575.33 is: 144,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,458.20 : 261,454.49 = 104,575.33 : x
  2. Step 2: Convert to fraction form
    189,458.20/261,454.49 = 104,575.33/x
  3. Step 3: Cross multiply
    189,458.20x = 261,454.49 × 104,575.33
  4. Step 4: Simplify right side
    189,458.20x = 27,341,689,571.73
  5. Step 5: Solve for x
    x = 27,341,689,571.73/189,458.20
  6. Step 6: Final answer
    x = 144,315.16

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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.