Home / 106,219.76-159,383.12-66,228.44

Finding the Fourth Proportional to 106,219.76, 159,383.12 and 66,228.44

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Solution

The fourth proportional to 106,219.76, 159,383.12 and 66,228.44 is: 99,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,219.76 : 159,383.12 = 66,228.44 : x
  2. Step 2: Convert to fraction form
    106,219.76/159,383.12 = 66,228.44/x
  3. Step 3: Cross multiply
    106,219.76x = 159,383.12 × 66,228.44
  4. Step 4: Simplify right side
    106,219.76x = 10,555,694,271.88
  5. Step 5: Solve for x
    x = 10,555,694,271.88/106,219.76
  6. Step 6: Final answer
    x = 99,376.00

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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.