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Finding the Fourth Proportional to 173,005.68, 259,408.08 and 84,147.12

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Solution

The fourth proportional to 173,005.68, 259,408.08 and 84,147.12 is: 126,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,005.68 : 259,408.08 = 84,147.12 : x
  2. Step 2: Convert to fraction form
    173,005.68/259,408.08 = 84,147.12/x
  3. Step 3: Cross multiply
    173,005.68x = 259,408.08 × 84,147.12
  4. Step 4: Simplify right side
    173,005.68x = 21,828,442,836.73
  5. Step 5: Solve for x
    x = 21,828,442,836.73/173,005.68
  6. Step 6: Final answer
    x = 126,171.83

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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.