Home / 204,970.25-282,990.54-128,594.06

Finding the Fourth Proportional to 204,970.25, 282,990.54 and 128,594.06

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Solution

The fourth proportional to 204,970.25, 282,990.54 and 128,594.06 is: 177,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,970.25 : 282,990.54 = 128,594.06 : x
  2. Step 2: Convert to fraction form
    204,970.25/282,990.54 = 128,594.06/x
  3. Step 3: Cross multiply
    204,970.25x = 282,990.54 × 128,594.06
  4. Step 4: Simplify right side
    204,970.25x = 36,390,901,065.24
  5. Step 5: Solve for x
    x = 36,390,901,065.24/204,970.25
  6. Step 6: Final answer
    x = 177,542.36

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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.