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Finding the Fourth Proportional to 181,505.80, 250,476.66 and 100,940.68

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Solution

The fourth proportional to 181,505.80, 250,476.66 and 100,940.68 is: 139,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,505.80 : 250,476.66 = 100,940.68 : x
  2. Step 2: Convert to fraction form
    181,505.80/250,476.66 = 100,940.68/x
  3. Step 3: Cross multiply
    181,505.80x = 250,476.66 × 100,940.68
  4. Step 4: Simplify right side
    181,505.80x = 25,283,284,384.53
  5. Step 5: Solve for x
    x = 25,283,284,384.53/181,505.80
  6. Step 6: Final answer
    x = 139,297.39

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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.