Home / 140,257.69-210,491.03-102,914.26

Finding the Fourth Proportional to 140,257.69, 210,491.03 and 102,914.26

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Solution

The fourth proportional to 140,257.69, 210,491.03 and 102,914.26 is: 154,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,257.69 : 210,491.03 = 102,914.26 : x
  2. Step 2: Convert to fraction form
    140,257.69/210,491.03 = 102,914.26/x
  3. Step 3: Cross multiply
    140,257.69x = 210,491.03 × 102,914.26
  4. Step 4: Simplify right side
    140,257.69x = 21,662,528,589.09
  5. Step 5: Solve for x
    x = 21,662,528,589.09/140,257.69
  6. Step 6: Final answer
    x = 154,448.06

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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.