Home / 84,778.20-127,181.88-34,885.44

Finding the Fourth Proportional to 84,778.20, 127,181.88 and 34,885.44

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Solution

The fourth proportional to 84,778.20, 127,181.88 and 34,885.44 is: 52,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,778.20 : 127,181.88 = 34,885.44 : x
  2. Step 2: Convert to fraction form
    84,778.20/127,181.88 = 34,885.44/x
  3. Step 3: Cross multiply
    84,778.20x = 127,181.88 × 34,885.44
  4. Step 4: Simplify right side
    84,778.20x = 4,436,795,843.83
  5. Step 5: Solve for x
    x = 4,436,795,843.83/84,778.20
  6. Step 6: Final answer
    x = 52,334.16

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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.