Home / 109,361.07-150,915.42-61,611.57

Finding the Fourth Proportional to 109,361.07, 150,915.42 and 61,611.57

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Solution

The fourth proportional to 109,361.07, 150,915.42 and 61,611.57 is: 85,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,361.07 : 150,915.42 = 61,611.57 : x
  2. Step 2: Convert to fraction form
    109,361.07/150,915.42 = 61,611.57/x
  3. Step 3: Cross multiply
    109,361.07x = 150,915.42 × 61,611.57
  4. Step 4: Simplify right side
    109,361.07x = 9,298,135,963.41
  5. Step 5: Solve for x
    x = 9,298,135,963.41/109,361.07
  6. Step 6: Final answer
    x = 85,022.36

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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.