Home / 136,404.97-188,248.31-82,692.25

Finding the Fourth Proportional to 136,404.97, 188,248.31 and 82,692.25

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Solution

The fourth proportional to 136,404.97, 188,248.31 and 82,692.25 is: 114,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,404.97 : 188,248.31 = 82,692.25 : x
  2. Step 2: Convert to fraction form
    136,404.97/188,248.31 = 82,692.25/x
  3. Step 3: Cross multiply
    136,404.97x = 188,248.31 × 82,692.25
  4. Step 4: Simplify right side
    136,404.97x = 15,566,676,312.60
  5. Step 5: Solve for x
    x = 15,566,676,312.60/136,404.97
  6. Step 6: Final answer
    x = 114,121.03

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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.