Home / 252,913.78-349,016.96-138,189.94

Finding the Fourth Proportional to 252,913.78, 349,016.96 and 138,189.94

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Solution

The fourth proportional to 252,913.78, 349,016.96 and 138,189.94 is: 190,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,913.78 : 349,016.96 = 138,189.94 : x
  2. Step 2: Convert to fraction form
    252,913.78/349,016.96 = 138,189.94/x
  3. Step 3: Cross multiply
    252,913.78x = 349,016.96 × 138,189.94
  4. Step 4: Simplify right side
    252,913.78x = 48,230,631,197.89
  5. Step 5: Solve for x
    x = 48,230,631,197.89/252,913.78
  6. Step 6: Final answer
    x = 190,699.90

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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.