Home / 190,204.74-262,479.33-105,319.98

Finding the Fourth Proportional to 190,204.74, 262,479.33 and 105,319.98

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Solution

The fourth proportional to 190,204.74, 262,479.33 and 105,319.98 is: 145,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,204.74 : 262,479.33 = 105,319.98 : x
  2. Step 2: Convert to fraction form
    190,204.74/262,479.33 = 105,319.98/x
  3. Step 3: Cross multiply
    190,204.74x = 262,479.33 × 105,319.98
  4. Step 4: Simplify right side
    190,204.74x = 27,644,317,786.01
  5. Step 5: Solve for x
    x = 27,644,317,786.01/190,204.74
  6. Step 6: Final answer
    x = 145,339.79

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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.