Home / 190,103.81-262,342.87-104,062.82

Finding the Fourth Proportional to 190,103.81, 262,342.87 and 104,062.82

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Solution

The fourth proportional to 190,103.81, 262,342.87 and 104,062.82 is: 143,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,103.81 : 262,342.87 = 104,062.82 : x
  2. Step 2: Convert to fraction form
    190,103.81/262,342.87 = 104,062.82/x
  3. Step 3: Cross multiply
    190,103.81x = 262,342.87 × 104,062.82
  4. Step 4: Simplify right side
    190,103.81x = 27,300,137,287.22
  5. Step 5: Solve for x
    x = 27,300,137,287.22/190,103.81
  6. Step 6: Final answer
    x = 143,606.47

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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.