Home / 250,435.08-375,687.75-81,968.64

Finding the Fourth Proportional to 250,435.08, 375,687.75 and 81,968.64

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Solution

The fourth proportional to 250,435.08, 375,687.75 and 81,968.64 is: 122,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,435.08 : 375,687.75 = 81,968.64 : x
  2. Step 2: Convert to fraction form
    250,435.08/375,687.75 = 81,968.64/x
  3. Step 3: Cross multiply
    250,435.08x = 375,687.75 × 81,968.64
  4. Step 4: Simplify right side
    250,435.08x = 30,794,613,932.16
  5. Step 5: Solve for x
    x = 30,794,613,932.16/250,435.08
  6. Step 6: Final answer
    x = 122,964.46

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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.