Home / 190,180.82-262,457.73-105,297.88

Finding the Fourth Proportional to 190,180.82, 262,457.73 and 105,297.88

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Solution

The fourth proportional to 190,180.82, 262,457.73 and 105,297.88 is: 145,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,180.82 : 262,457.73 = 105,297.88 : x
  2. Step 2: Convert to fraction form
    190,180.82/262,457.73 = 105,297.88/x
  3. Step 3: Cross multiply
    190,180.82x = 262,457.73 × 105,297.88
  4. Step 4: Simplify right side
    190,180.82x = 27,636,240,719.83
  5. Step 5: Solve for x
    x = 27,636,240,719.83/190,180.82
  6. Step 6: Final answer
    x = 145,315.61

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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.