Home / 146,007.81-201,478.71-82,361.25

Finding the Fourth Proportional to 146,007.81, 201,478.71 and 82,361.25

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Solution

The fourth proportional to 146,007.81, 201,478.71 and 82,361.25 is: 113,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,007.81 : 201,478.71 = 82,361.25 : x
  2. Step 2: Convert to fraction form
    146,007.81/201,478.71 = 82,361.25/x
  3. Step 3: Cross multiply
    146,007.81x = 201,478.71 × 82,361.25
  4. Step 4: Simplify right side
    146,007.81x = 16,594,038,403.99
  5. Step 5: Solve for x
    x = 16,594,038,403.99/146,007.81
  6. Step 6: Final answer
    x = 113,651.72

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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.