Home / 204,640.31-282,392.66-112,756.75

Finding the Fourth Proportional to 204,640.31, 282,392.66 and 112,756.75

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Solution

The fourth proportional to 204,640.31, 282,392.66 and 112,756.75 is: 155,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,640.31 : 282,392.66 = 112,756.75 : x
  2. Step 2: Convert to fraction form
    204,640.31/282,392.66 = 112,756.75/x
  3. Step 3: Cross multiply
    204,640.31x = 282,392.66 × 112,756.75
  4. Step 4: Simplify right side
    204,640.31x = 31,841,678,141.37
  5. Step 5: Solve for x
    x = 31,841,678,141.37/204,640.31
  6. Step 6: Final answer
    x = 155,598.27

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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.