Home / 256,584.31-384,939.74-88,107.14

Finding the Fourth Proportional to 256,584.31, 384,939.74 and 88,107.14

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Solution

The fourth proportional to 256,584.31, 384,939.74 and 88,107.14 is: 132,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,584.31 : 384,939.74 = 88,107.14 : x
  2. Step 2: Convert to fraction form
    256,584.31/384,939.74 = 88,107.14/x
  3. Step 3: Cross multiply
    256,584.31x = 384,939.74 × 88,107.14
  4. Step 4: Simplify right side
    256,584.31x = 33,915,940,746.36
  5. Step 5: Solve for x
    x = 33,915,940,746.36/256,584.31
  6. Step 6: Final answer
    x = 132,182.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.