Home / 92,068.20-137,907.90-82,218.60

Finding the Fourth Proportional to 92,068.20, 137,907.90 and 82,218.60

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Solution

The fourth proportional to 92,068.20, 137,907.90 and 82,218.60 is: 123,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,068.20 : 137,907.90 = 82,218.60 : x
  2. Step 2: Convert to fraction form
    92,068.20/137,907.90 = 82,218.60/x
  3. Step 3: Cross multiply
    92,068.20x = 137,907.90 × 82,218.60
  4. Step 4: Simplify right side
    92,068.20x = 11,338,594,466.94
  5. Step 5: Solve for x
    x = 11,338,594,466.94/92,068.20
  6. Step 6: Final answer
    x = 123,154.30

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1.5x scale

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.