Home / 190,274.67-262,557.86-105,370.47

Finding the Fourth Proportional to 190,274.67, 262,557.86 and 105,370.47

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Solution

The fourth proportional to 190,274.67, 262,557.86 and 105,370.47 is: 145,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,274.67 : 262,557.86 = 105,370.47 : x
  2. Step 2: Convert to fraction form
    190,274.67/262,557.86 = 105,370.47/x
  3. Step 3: Cross multiply
    190,274.67x = 262,557.86 × 105,370.47
  4. Step 4: Simplify right side
    190,274.67x = 27,665,844,583.54
  5. Step 5: Solve for x
    x = 27,665,844,583.54/190,274.67
  6. Step 6: Final answer
    x = 145,399.51

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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.