Home / 181,456.08-250,395.12-100,878.64

Finding the Fourth Proportional to 181,456.08, 250,395.12 and 100,878.64

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Solution

The fourth proportional to 181,456.08, 250,395.12 and 100,878.64 is: 139,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,456.08 : 250,395.12 = 100,878.64 : x
  2. Step 2: Convert to fraction form
    181,456.08/250,395.12 = 100,878.64/x
  3. Step 3: Cross multiply
    181,456.08x = 250,395.12 × 100,878.64
  4. Step 4: Simplify right side
    181,456.08x = 25,259,519,168.24
  5. Step 5: Solve for x
    x = 25,259,519,168.24/181,456.08
  6. Step 6: Final answer
    x = 139,204.59

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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.