Home / 204,077.80-306,116.70-98,907.40

Finding the Fourth Proportional to 204,077.80, 306,116.70 and 98,907.40

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Solution

The fourth proportional to 204,077.80, 306,116.70 and 98,907.40 is: 148,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,077.80 : 306,116.70 = 98,907.40 : x
  2. Step 2: Convert to fraction form
    204,077.80/306,116.70 = 98,907.40/x
  3. Step 3: Cross multiply
    204,077.80x = 306,116.70 × 98,907.40
  4. Step 4: Simplify right side
    204,077.80x = 30,277,206,893.58
  5. Step 5: Solve for x
    x = 30,277,206,893.58/204,077.80
  6. Step 6: Final answer
    x = 148,361.10

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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.