Home / 199,027.27-274,654.90-112,985.50

Finding the Fourth Proportional to 199,027.27, 274,654.90 and 112,985.50

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Solution

The fourth proportional to 199,027.27, 274,654.90 and 112,985.50 is: 155,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,027.27 : 274,654.90 = 112,985.50 : x
  2. Step 2: Convert to fraction form
    199,027.27/274,654.90 = 112,985.50/x
  3. Step 3: Cross multiply
    199,027.27x = 274,654.90 × 112,985.50
  4. Step 4: Simplify right side
    199,027.27x = 31,032,021,203.95
  5. Step 5: Solve for x
    x = 31,032,021,203.95/199,027.27
  6. Step 6: Final answer
    x = 155,918.44

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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.