Home / 100,723.63-151,069.02-29,629.64

Finding the Fourth Proportional to 100,723.63, 151,069.02 and 29,629.64

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Solution

The fourth proportional to 100,723.63, 151,069.02 and 29,629.64 is: 44,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,723.63 : 151,069.02 = 29,629.64 : x
  2. Step 2: Convert to fraction form
    100,723.63/151,069.02 = 29,629.64/x
  3. Step 3: Cross multiply
    100,723.63x = 151,069.02 × 29,629.64
  4. Step 4: Simplify right side
    100,723.63x = 4,476,120,300.08
  5. Step 5: Solve for x
    x = 4,476,120,300.08/100,723.63
  6. Step 6: Final answer
    x = 44,439.63

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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.