Home / 115,972.82-160,027.54-68,208.74

Finding the Fourth Proportional to 115,972.82, 160,027.54 and 68,208.74

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Solution

The fourth proportional to 115,972.82, 160,027.54 and 68,208.74 is: 94,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,972.82 : 160,027.54 = 68,208.74 : x
  2. Step 2: Convert to fraction form
    115,972.82/160,027.54 = 68,208.74/x
  3. Step 3: Cross multiply
    115,972.82x = 160,027.54 × 68,208.74
  4. Step 4: Simplify right side
    115,972.82x = 10,915,276,868.70
  5. Step 5: Solve for x
    x = 10,915,276,868.70/115,972.82
  6. Step 6: Final answer
    x = 94,119.27

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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.