Home / 204,968.75-282,988.47-128,592.56

Finding the Fourth Proportional to 204,968.75, 282,988.47 and 128,592.56

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Solution

The fourth proportional to 204,968.75, 282,988.47 and 128,592.56 is: 177,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,968.75 : 282,988.47 = 128,592.56 : x
  2. Step 2: Convert to fraction form
    204,968.75/282,988.47 = 128,592.56/x
  3. Step 3: Cross multiply
    204,968.75x = 282,988.47 × 128,592.56
  4. Step 4: Simplify right side
    204,968.75x = 36,390,210,392.84
  5. Step 5: Solve for x
    x = 36,390,210,392.84/204,968.75
  6. Step 6: Final answer
    x = 177,540.29

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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.