Home / 190,145.07-262,399.30-102,929.94

Finding the Fourth Proportional to 190,145.07, 262,399.30 and 102,929.94

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Solution

The fourth proportional to 190,145.07, 262,399.30 and 102,929.94 is: 142,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,145.07 : 262,399.30 = 102,929.94 : x
  2. Step 2: Convert to fraction form
    190,145.07/262,399.30 = 102,929.94/x
  3. Step 3: Cross multiply
    190,145.07x = 262,399.30 × 102,929.94
  4. Step 4: Simplify right side
    190,145.07x = 27,008,743,947.72
  5. Step 5: Solve for x
    x = 27,008,743,947.72/190,145.07
  6. Step 6: Final answer
    x = 142,042.83

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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.