Home / 222,564.78-307,090.85-131,875.43

Finding the Fourth Proportional to 222,564.78, 307,090.85 and 131,875.43

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Solution

The fourth proportional to 222,564.78, 307,090.85 and 131,875.43 is: 181,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,564.78 : 307,090.85 = 131,875.43 : x
  2. Step 2: Convert to fraction form
    222,564.78/307,090.85 = 131,875.43/x
  3. Step 3: Cross multiply
    222,564.78x = 307,090.85 × 131,875.43
  4. Step 4: Simplify right side
    222,564.78x = 40,497,735,697.98
  5. Step 5: Solve for x
    x = 40,497,735,697.98/222,564.78
  6. Step 6: Final answer
    x = 181,959.32

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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.