Home / 204,470.28-282,171.60-112,600.36

Finding the Fourth Proportional to 204,470.28, 282,171.60 and 112,600.36

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Solution

The fourth proportional to 204,470.28, 282,171.60 and 112,600.36 is: 155,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,470.28 : 282,171.60 = 112,600.36 : x
  2. Step 2: Convert to fraction form
    204,470.28/282,171.60 = 112,600.36/x
  3. Step 3: Cross multiply
    204,470.28x = 282,171.60 × 112,600.36
  4. Step 4: Simplify right side
    204,470.28x = 31,772,623,741.78
  5. Step 5: Solve for x
    x = 31,772,623,741.78/204,470.28
  6. Step 6: Final answer
    x = 155,389.94

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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.