Home / 147,351.75-221,027.63-53,857.50

Finding the Fourth Proportional to 147,351.75, 221,027.63 and 53,857.50

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Solution

The fourth proportional to 147,351.75, 221,027.63 and 53,857.50 is: 80,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,351.75 : 221,027.63 = 53,857.50 : x
  2. Step 2: Convert to fraction form
    147,351.75/221,027.63 = 53,857.50/x
  3. Step 3: Cross multiply
    147,351.75x = 221,027.63 × 53,857.50
  4. Step 4: Simplify right side
    147,351.75x = 11,903,995,313.44
  5. Step 5: Solve for x
    x = 11,903,995,313.44/147,351.75
  6. Step 6: Final answer
    x = 80,786.25

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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.