Home / 259,868.81-358,618.97-140,636.81

Finding the Fourth Proportional to 259,868.81, 358,618.97 and 140,636.81

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Solution

The fourth proportional to 259,868.81, 358,618.97 and 140,636.81 is: 194,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,868.81 : 358,618.97 = 140,636.81 : x
  2. Step 2: Convert to fraction form
    259,868.81/358,618.97 = 140,636.81/x
  3. Step 3: Cross multiply
    259,868.81x = 358,618.97 × 140,636.81
  4. Step 4: Simplify right side
    259,868.81x = 50,435,029,194.43
  5. Step 5: Solve for x
    x = 50,435,029,194.43/259,868.81
  6. Step 6: Final answer
    x = 194,078.81

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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.