Home / 100,790.20-151,133.01-29,703.64

Finding the Fourth Proportional to 100,790.20, 151,133.01 and 29,703.64

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Solution

The fourth proportional to 100,790.20, 151,133.01 and 29,703.64 is: 44,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,790.20 : 151,133.01 = 29,703.64 : x
  2. Step 2: Convert to fraction form
    100,790.20/151,133.01 = 29,703.64/x
  3. Step 3: Cross multiply
    100,790.20x = 151,133.01 × 29,703.64
  4. Step 4: Simplify right side
    100,790.20x = 4,489,200,521.16
  5. Step 5: Solve for x
    x = 4,489,200,521.16/100,790.20
  6. Step 6: Final answer
    x = 44,540.05

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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.