Home / 199,034.52-274,671.09-112,991.28

Finding the Fourth Proportional to 199,034.52, 274,671.09 and 112,991.28

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Solution

The fourth proportional to 199,034.52, 274,671.09 and 112,991.28 is: 155,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,034.52 : 274,671.09 = 112,991.28 : x
  2. Step 2: Convert to fraction form
    199,034.52/274,671.09 = 112,991.28/x
  3. Step 3: Cross multiply
    199,034.52x = 274,671.09 × 112,991.28
  4. Step 4: Simplify right side
    199,034.52x = 31,035,438,038.10
  5. Step 5: Solve for x
    x = 31,035,438,038.10/199,034.52
  6. Step 6: Final answer
    x = 155,929.93

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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.