Home / 172,165.56-258,238.62-53,822.94

Finding the Fourth Proportional to 172,165.56, 258,238.62 and 53,822.94

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Solution

The fourth proportional to 172,165.56, 258,238.62 and 53,822.94 is: 80,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,165.56 : 258,238.62 = 53,822.94 : x
  2. Step 2: Convert to fraction form
    172,165.56/258,238.62 = 53,822.94/x
  3. Step 3: Cross multiply
    172,165.56x = 258,238.62 × 53,822.94
  4. Step 4: Simplify right side
    172,165.56x = 13,899,161,749.94
  5. Step 5: Solve for x
    x = 13,899,161,749.94/172,165.56
  6. Step 6: Final answer
    x = 80,731.37

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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.