Home / 190,180.85-262,457.75-105,297.91

Finding the Fourth Proportional to 190,180.85, 262,457.75 and 105,297.91

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Solution

The fourth proportional to 190,180.85, 262,457.75 and 105,297.91 is: 145,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,180.85 : 262,457.75 = 105,297.91 : x
  2. Step 2: Convert to fraction form
    190,180.85/262,457.75 = 105,297.91/x
  3. Step 3: Cross multiply
    190,180.85x = 262,457.75 × 105,297.91
  4. Step 4: Simplify right side
    190,180.85x = 27,636,252,145.40
  5. Step 5: Solve for x
    x = 27,636,252,145.40/190,180.85
  6. Step 6: Final answer
    x = 145,315.64

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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.