Home / 259,868.62-358,618.70-140,636.62

Finding the Fourth Proportional to 259,868.62, 358,618.70 and 140,636.62

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Solution

The fourth proportional to 259,868.62, 358,618.70 and 140,636.62 is: 194,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,868.62 : 358,618.70 = 140,636.62 : x
  2. Step 2: Convert to fraction form
    259,868.62/358,618.70 = 140,636.62/x
  3. Step 3: Cross multiply
    259,868.62x = 358,618.70 × 140,636.62
  4. Step 4: Simplify right side
    259,868.62x = 50,434,921,836.79
  5. Step 5: Solve for x
    x = 50,434,921,836.79/259,868.62
  6. Step 6: Final answer
    x = 194,078.54

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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.