Home / 100,977.48-151,466.22-30,856.19

Finding the Fourth Proportional to 100,977.48, 151,466.22 and 30,856.19

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Solution

The fourth proportional to 100,977.48, 151,466.22 and 30,856.19 is: 46,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,977.48 : 151,466.22 = 30,856.19 : x
  2. Step 2: Convert to fraction form
    100,977.48/151,466.22 = 30,856.19/x
  3. Step 3: Cross multiply
    100,977.48x = 151,466.22 × 30,856.19
  4. Step 4: Simplify right side
    100,977.48x = 4,673,669,705.57
  5. Step 5: Solve for x
    x = 4,673,669,705.57/100,977.48
  6. Step 6: Final answer
    x = 46,284.28

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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.