Home / 105,087.77-144,983.24-80,896.14

Finding the Fourth Proportional to 105,087.77, 144,983.24 and 80,896.14

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Solution

The fourth proportional to 105,087.77, 144,983.24 and 80,896.14 is: 111,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,087.77 : 144,983.24 = 80,896.14 : x
  2. Step 2: Convert to fraction form
    105,087.77/144,983.24 = 80,896.14/x
  3. Step 3: Cross multiply
    105,087.77x = 144,983.24 × 80,896.14
  4. Step 4: Simplify right side
    105,087.77x = 11,728,583,351.30
  5. Step 5: Solve for x
    x = 11,728,583,351.30/105,087.77
  6. Step 6: Final answer
    x = 111,607.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.