Home / 172,653.08-259,014.92-72,813.35

Finding the Fourth Proportional to 172,653.08, 259,014.92 and 72,813.35

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Solution

The fourth proportional to 172,653.08, 259,014.92 and 72,813.35 is: 109,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,653.08 : 259,014.92 = 72,813.35 : x
  2. Step 2: Convert to fraction form
    172,653.08/259,014.92 = 72,813.35/x
  3. Step 3: Cross multiply
    172,653.08x = 259,014.92 × 72,813.35
  4. Step 4: Simplify right side
    172,653.08x = 18,859,744,308.65
  5. Step 5: Solve for x
    x = 18,859,744,308.65/172,653.08
  6. Step 6: Final answer
    x = 109,234.92

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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.