Home / 259,869.75-358,620.26-140,637.75

Finding the Fourth Proportional to 259,869.75, 358,620.26 and 140,637.75

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Solution

The fourth proportional to 259,869.75, 358,620.26 and 140,637.75 is: 194,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,869.75 : 358,620.26 = 140,637.75 : x
  2. Step 2: Convert to fraction form
    259,869.75/358,620.26 = 140,637.75/x
  3. Step 3: Cross multiply
    259,869.75x = 358,620.26 × 140,637.75
  4. Step 4: Simplify right side
    259,869.75x = 50,435,546,470.82
  5. Step 5: Solve for x
    x = 50,435,546,470.82/259,869.75
  6. Step 6: Final answer
    x = 194,080.10

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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.