Home / 68,858.02-103,190.05-54,755.45

Finding the Fourth Proportional to 68,858.02, 103,190.05 and 54,755.45

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Solution

The fourth proportional to 68,858.02, 103,190.05 and 54,755.45 is: 82,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,858.02 : 103,190.05 = 54,755.45 : x
  2. Step 2: Convert to fraction form
    68,858.02/103,190.05 = 54,755.45/x
  3. Step 3: Cross multiply
    68,858.02x = 103,190.05 × 54,755.45
  4. Step 4: Simplify right side
    68,858.02x = 5,650,216,833.55
  5. Step 5: Solve for x
    x = 5,650,216,833.55/68,858.02
  6. Step 6: Final answer
    x = 82,056.05

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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.