Home / 115,997.20-160,068.56-68,241.32

Finding the Fourth Proportional to 115,997.20, 160,068.56 and 68,241.32

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Solution

The fourth proportional to 115,997.20, 160,068.56 and 68,241.32 is: 94,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,997.20 : 160,068.56 = 68,241.32 : x
  2. Step 2: Convert to fraction form
    115,997.20/160,068.56 = 68,241.32/x
  3. Step 3: Cross multiply
    115,997.20x = 160,068.56 × 68,241.32
  4. Step 4: Simplify right side
    115,997.20x = 10,923,289,283.61
  5. Step 5: Solve for x
    x = 10,923,289,283.61/115,997.20
  6. Step 6: Final answer
    x = 94,168.56

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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.