Home / 109,938.20-164,907.30-82,053.95

Finding the Fourth Proportional to 109,938.20, 164,907.30 and 82,053.95

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Solution

The fourth proportional to 109,938.20, 164,907.30 and 82,053.95 is: 123,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938.20 : 164,907.30 = 82,053.95 : x
  2. Step 2: Convert to fraction form
    109,938.20/164,907.30 = 82,053.95/x
  3. Step 3: Cross multiply
    109,938.20x = 164,907.30 × 82,053.95
  4. Step 4: Simplify right side
    109,938.20x = 13,531,295,348.84
  5. Step 5: Solve for x
    x = 13,531,295,348.84/109,938.20
  6. Step 6: Final answer
    x = 123,080.93

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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.