Home / 181,531.03-250,519.74-100,964.38

Finding the Fourth Proportional to 181,531.03, 250,519.74 and 100,964.38

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Solution

The fourth proportional to 181,531.03, 250,519.74 and 100,964.38 is: 139,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,531.03 : 250,519.74 = 100,964.38 : x
  2. Step 2: Convert to fraction form
    181,531.03/250,519.74 = 100,964.38/x
  3. Step 3: Cross multiply
    181,531.03x = 250,519.74 × 100,964.38
  4. Step 4: Simplify right side
    181,531.03x = 25,293,570,396.26
  5. Step 5: Solve for x
    x = 25,293,570,396.26/181,531.03
  6. Step 6: Final answer
    x = 139,334.69

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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.