Home / 68,181.08-102,285.50-28,738.13

Finding the Fourth Proportional to 68,181.08, 102,285.50 and 28,738.13

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Solution

The fourth proportional to 68,181.08, 102,285.50 and 28,738.13 is: 43,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,181.08 : 102,285.50 = 28,738.13 : x
  2. Step 2: Convert to fraction form
    68,181.08/102,285.50 = 28,738.13/x
  3. Step 3: Cross multiply
    68,181.08x = 102,285.50 × 28,738.13
  4. Step 4: Simplify right side
    68,181.08x = 2,939,494,108.14
  5. Step 5: Solve for x
    x = 2,939,494,108.14/68,181.08
  6. Step 6: Final answer
    x = 43,113.05

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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.