Home / 190,476.31-262,859.83-104,435.10

Finding the Fourth Proportional to 190,476.31, 262,859.83 and 104,435.10

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Solution

The fourth proportional to 190,476.31, 262,859.83 and 104,435.10 is: 144,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,476.31 : 262,859.83 = 104,435.10 : x
  2. Step 2: Convert to fraction form
    190,476.31/262,859.83 = 104,435.10/x
  3. Step 3: Cross multiply
    190,476.31x = 262,859.83 × 104,435.10
  4. Step 4: Simplify right side
    190,476.31x = 27,451,792,219.10
  5. Step 5: Solve for x
    x = 27,451,792,219.10/190,476.31
  6. Step 6: Final answer
    x = 144,121.82

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1.5x scale

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.