Home / 100,899.52-151,371.60-30,784.32

Finding the Fourth Proportional to 100,899.52, 151,371.60 and 30,784.32

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Solution

The fourth proportional to 100,899.52, 151,371.60 and 30,784.32 is: 46,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,899.52 : 151,371.60 = 30,784.32 : x
  2. Step 2: Convert to fraction form
    100,899.52/151,371.60 = 30,784.32/x
  3. Step 3: Cross multiply
    100,899.52x = 151,371.60 × 30,784.32
  4. Step 4: Simplify right side
    100,899.52x = 4,659,871,773.31
  5. Step 5: Solve for x
    x = 4,659,871,773.31/100,899.52
  6. Step 6: Final answer
    x = 46,183.29

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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.