Home / 259,945.58-390,062.54-126,826.94

Finding the Fourth Proportional to 259,945.58, 390,062.54 and 126,826.94

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Solution

The fourth proportional to 259,945.58, 390,062.54 and 126,826.94 is: 190,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,945.58 : 390,062.54 = 126,826.94 : x
  2. Step 2: Convert to fraction form
    259,945.58/390,062.54 = 126,826.94/x
  3. Step 3: Cross multiply
    259,945.58x = 390,062.54 × 126,826.94
  4. Step 4: Simplify right side
    259,945.58x = 49,470,438,356.83
  5. Step 5: Solve for x
    x = 49,470,438,356.83/259,945.58
  6. Step 6: Final answer
    x = 190,310.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.