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Finding the Fourth Proportional to 188,877.72, 283,347.35 and 55,771.43

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Solution

The fourth proportional to 188,877.72, 283,347.35 and 55,771.43 is: 83,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,877.72 : 283,347.35 = 55,771.43 : x
  2. Step 2: Convert to fraction form
    188,877.72/283,347.35 = 55,771.43/x
  3. Step 3: Cross multiply
    188,877.72x = 283,347.35 × 55,771.43
  4. Step 4: Simplify right side
    188,877.72x = 15,802,686,896.21
  5. Step 5: Solve for x
    x = 15,802,686,896.21/188,877.72
  6. Step 6: Final answer
    x = 83,666.23

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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.