Home / 205,735.04-308,322.30-125,801

Finding the Fourth Proportional to 205,735.04, 308,322.30 and 125,801

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Solution

The fourth proportional to 205,735.04, 308,322.30 and 125,801 is: 188,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,735.04 : 308,322.30 = 125,801 : x
  2. Step 2: Convert to fraction form
    205,735.04/308,322.30 = 125,801/x
  3. Step 3: Cross multiply
    205,735.04x = 308,322.30 × 125,801
  4. Step 4: Simplify right side
    205,735.04x = 38,787,253,662.30
  5. Step 5: Solve for x
    x = 38,787,253,662.30/205,735.04
  6. Step 6: Final answer
    x = 188,530.13

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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.