Home / 172,131.78-237,564.09-96,680.28

Finding the Fourth Proportional to 172,131.78, 237,564.09 and 96,680.28

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Solution

The fourth proportional to 172,131.78, 237,564.09 and 96,680.28 is: 133,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,131.78 : 237,564.09 = 96,680.28 : x
  2. Step 2: Convert to fraction form
    172,131.78/237,564.09 = 96,680.28/x
  3. Step 3: Cross multiply
    172,131.78x = 237,564.09 × 96,680.28
  4. Step 4: Simplify right side
    172,131.78x = 22,967,762,739.15
  5. Step 5: Solve for x
    x = 22,967,762,739.15/172,131.78
  6. Step 6: Final answer
    x = 133,431.27

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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.