Home / 200,913.36-277,269.12-120,354

Finding the Fourth Proportional to 200,913.36, 277,269.12 and 120,354

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Solution

The fourth proportional to 200,913.36, 277,269.12 and 120,354 is: 166,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,913.36 : 277,269.12 = 120,354 : x
  2. Step 2: Convert to fraction form
    200,913.36/277,269.12 = 120,354/x
  3. Step 3: Cross multiply
    200,913.36x = 277,269.12 × 120,354
  4. Step 4: Simplify right side
    200,913.36x = 33,370,447,668.48
  5. Step 5: Solve for x
    x = 33,370,447,668.48/200,913.36
  6. Step 6: Final answer
    x = 166,093.72

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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.