Home / 199,002.60-274,156.52-138,469.14

Finding the Fourth Proportional to 199,002.60, 274,156.52 and 138,469.14

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Solution

The fourth proportional to 199,002.60, 274,156.52 and 138,469.14 is: 190,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,002.60 : 274,156.52 = 138,469.14 : x
  2. Step 2: Convert to fraction form
    199,002.60/274,156.52 = 138,469.14/x
  3. Step 3: Cross multiply
    199,002.60x = 274,156.52 × 138,469.14
  4. Step 4: Simplify right side
    199,002.60x = 37,962,216,857.45
  5. Step 5: Solve for x
    x = 37,962,216,857.45/199,002.60
  6. Step 6: Final answer
    x = 190,762.42

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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.