Home / 190,195.28-262,469.48-105,312.32

Finding the Fourth Proportional to 190,195.28, 262,469.48 and 105,312.32

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Solution

The fourth proportional to 190,195.28, 262,469.48 and 105,312.32 is: 145,331.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,195.28 : 262,469.48 = 105,312.32 : x
  2. Step 2: Convert to fraction form
    190,195.28/262,469.48 = 105,312.32/x
  3. Step 3: Cross multiply
    190,195.28x = 262,469.48 × 105,312.32
  4. Step 4: Simplify right side
    190,195.28x = 27,641,269,867.99
  5. Step 5: Solve for x
    x = 27,641,269,867.99/190,195.28
  6. Step 6: Final answer
    x = 145,331.00

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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.