Home / 204,355.60-282,016.16-112,477.48

Finding the Fourth Proportional to 204,355.60, 282,016.16 and 112,477.48

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Solution

The fourth proportional to 204,355.60, 282,016.16 and 112,477.48 is: 155,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,355.60 : 282,016.16 = 112,477.48 : x
  2. Step 2: Convert to fraction form
    204,355.60/282,016.16 = 112,477.48/x
  3. Step 3: Cross multiply
    204,355.60x = 282,016.16 × 112,477.48
  4. Step 4: Simplify right side
    204,355.60x = 31,720,466,996.08
  5. Step 5: Solve for x
    x = 31,720,466,996.08/204,355.60
  6. Step 6: Final answer
    x = 155,221.91

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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.