Home / 120,562.32-180,883.99-84,576.28

Finding the Fourth Proportional to 120,562.32, 180,883.99 and 84,576.28

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Solution

The fourth proportional to 120,562.32, 180,883.99 and 84,576.28 is: 126,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,562.32 : 180,883.99 = 84,576.28 : x
  2. Step 2: Convert to fraction form
    120,562.32/180,883.99 = 84,576.28/x
  3. Step 3: Cross multiply
    120,562.32x = 180,883.99 × 84,576.28
  4. Step 4: Simplify right side
    120,562.32x = 15,298,493,993.95
  5. Step 5: Solve for x
    x = 15,298,493,993.95/120,562.32
  6. Step 6: Final answer
    x = 126,892.83

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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.