Home / 146,424-201,997.44-85,975.20

Finding the Fourth Proportional to 146,424, 201,997.44 and 85,975.20

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Solution

The fourth proportional to 146,424, 201,997.44 and 85,975.20 is: 118,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,424 : 201,997.44 = 85,975.20 : x
  2. Step 2: Convert to fraction form
    146,424/201,997.44 = 85,975.20/x
  3. Step 3: Cross multiply
    146,424x = 201,997.44 × 85,975.20
  4. Step 4: Simplify right side
    146,424x = 17,366,770,303.49
  5. Step 5: Solve for x
    x = 17,366,770,303.49/146,424
  6. Step 6: Final answer
    x = 118,606.04

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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.