Home / 190,046.44-262,266.42-105,171.40

Finding the Fourth Proportional to 190,046.44, 262,266.42 and 105,171.40

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Solution

The fourth proportional to 190,046.44, 262,266.42 and 105,171.40 is: 145,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,046.44 : 262,266.42 = 105,171.40 : x
  2. Step 2: Convert to fraction form
    190,046.44/262,266.42 = 105,171.40/x
  3. Step 3: Cross multiply
    190,046.44x = 262,266.42 × 105,171.40
  4. Step 4: Simplify right side
    190,046.44x = 27,582,926,564.39
  5. Step 5: Solve for x
    x = 27,582,926,564.39/190,046.44
  6. Step 6: Final answer
    x = 145,137.82

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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.