Home / 68,080.05-102,123.43-18,160.61

Finding the Fourth Proportional to 68,080.05, 102,123.43 and 18,160.61

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Solution

The fourth proportional to 68,080.05, 102,123.43 and 18,160.61 is: 27,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.05 : 102,123.43 = 18,160.61 : x
  2. Step 2: Convert to fraction form
    68,080.05/102,123.43 = 18,160.61/x
  3. Step 3: Cross multiply
    68,080.05x = 102,123.43 × 18,160.61
  4. Step 4: Simplify right side
    68,080.05x = 1,854,623,228.07
  5. Step 5: Solve for x
    x = 1,854,623,228.07/68,080.05
  6. Step 6: Final answer
    x = 27,241.80

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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.