Home / 190,208.28-262,487.41-105,325.35

Finding the Fourth Proportional to 190,208.28, 262,487.41 and 105,325.35

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Solution

The fourth proportional to 190,208.28, 262,487.41 and 105,325.35 is: 145,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,208.28 : 262,487.41 = 105,325.35 : x
  2. Step 2: Convert to fraction form
    190,208.28/262,487.41 = 105,325.35/x
  3. Step 3: Cross multiply
    190,208.28x = 262,487.41 × 105,325.35
  4. Step 4: Simplify right side
    190,208.28x = 27,646,578,328.84
  5. Step 5: Solve for x
    x = 27,646,578,328.84/190,208.28
  6. Step 6: Final answer
    x = 145,348.97

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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.