Home / 190,863.24-263,639.16-145,264.20

Finding the Fourth Proportional to 190,863.24, 263,639.16 and 145,264.20

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Solution

The fourth proportional to 190,863.24, 263,639.16 and 145,264.20 is: 200,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,863.24 : 263,639.16 = 145,264.20 : x
  2. Step 2: Convert to fraction form
    190,863.24/263,639.16 = 145,264.20/x
  3. Step 3: Cross multiply
    190,863.24x = 263,639.16 × 145,264.20
  4. Step 4: Simplify right side
    190,863.24x = 38,297,331,666.07
  5. Step 5: Solve for x
    x = 38,297,331,666.07/190,863.24
  6. Step 6: Final answer
    x = 200,653.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.