Home / 146,315.24-201,915.46-79,247.24

Finding the Fourth Proportional to 146,315.24, 201,915.46 and 79,247.24

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Solution

The fourth proportional to 146,315.24, 201,915.46 and 79,247.24 is: 109,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,315.24 : 201,915.46 = 79,247.24 : x
  2. Step 2: Convert to fraction form
    146,315.24/201,915.46 = 79,247.24/x
  3. Step 3: Cross multiply
    146,315.24x = 201,915.46 × 79,247.24
  4. Step 4: Simplify right side
    146,315.24x = 16,001,242,918.33
  5. Step 5: Solve for x
    x = 16,001,242,918.33/146,315.24
  6. Step 6: Final answer
    x = 109,361.42

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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.