Home / 200,946.30-277,173.27-129,212.70

Finding the Fourth Proportional to 200,946.30, 277,173.27 and 129,212.70

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Solution

The fourth proportional to 200,946.30, 277,173.27 and 129,212.70 is: 178,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,946.30 : 277,173.27 = 129,212.70 : x
  2. Step 2: Convert to fraction form
    200,946.30/277,173.27 = 129,212.70/x
  3. Step 3: Cross multiply
    200,946.30x = 277,173.27 × 129,212.70
  4. Step 4: Simplify right side
    200,946.30x = 35,814,306,584.53
  5. Step 5: Solve for x
    x = 35,814,306,584.53/200,946.30
  6. Step 6: Final answer
    x = 178,228.25

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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.