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Finding the Fourth Proportional to 100,047.51, 150,033.60 and 40,851.50

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Solution

The fourth proportional to 100,047.51, 150,033.60 and 40,851.50 is: 61,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,047.51 : 150,033.60 = 40,851.50 : x
  2. Step 2: Convert to fraction form
    100,047.51/150,033.60 = 40,851.50/x
  3. Step 3: Cross multiply
    100,047.51x = 150,033.60 × 40,851.50
  4. Step 4: Simplify right side
    100,047.51x = 6,129,096,860.23
  5. Step 5: Solve for x
    x = 6,129,096,860.23/100,047.51
  6. Step 6: Final answer
    x = 61,261.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.