Home / 100,991.06-151,508.76-29,919.26

Finding the Fourth Proportional to 100,991.06, 151,508.76 and 29,919.26

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Solution

The fourth proportional to 100,991.06, 151,508.76 and 29,919.26 is: 44,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,991.06 : 151,508.76 = 29,919.26 : x
  2. Step 2: Convert to fraction form
    100,991.06/151,508.76 = 29,919.26/x
  3. Step 3: Cross multiply
    100,991.06x = 151,508.76 × 29,919.26
  4. Step 4: Simplify right side
    100,991.06x = 4,533,029,982.72
  5. Step 5: Solve for x
    x = 4,533,029,982.72/100,991.06
  6. Step 6: Final answer
    x = 44,885.46

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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.