Home / 172,826.29-259,277.73-73,071.75

Finding the Fourth Proportional to 172,826.29, 259,277.73 and 73,071.75

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Solution

The fourth proportional to 172,826.29, 259,277.73 and 73,071.75 is: 109,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,826.29 : 259,277.73 = 73,071.75 : x
  2. Step 2: Convert to fraction form
    172,826.29/259,277.73 = 73,071.75/x
  3. Step 3: Cross multiply
    172,826.29x = 259,277.73 × 73,071.75
  4. Step 4: Simplify right side
    172,826.29x = 18,945,878,165.40
  5. Step 5: Solve for x
    x = 18,945,878,165.40/172,826.29
  6. Step 6: Final answer
    x = 109,623.82

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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.