Home / 172,823.10-259,234.65-54,530.70

Finding the Fourth Proportional to 172,823.10, 259,234.65 and 54,530.70

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Solution

The fourth proportional to 172,823.10, 259,234.65 and 54,530.70 is: 81,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,823.10 : 259,234.65 = 54,530.70 : x
  2. Step 2: Convert to fraction form
    172,823.10/259,234.65 = 54,530.70/x
  3. Step 3: Cross multiply
    172,823.10x = 259,234.65 × 54,530.70
  4. Step 4: Simplify right side
    172,823.10x = 14,136,246,928.76
  5. Step 5: Solve for x
    x = 14,136,246,928.76/172,823.10
  6. Step 6: Final answer
    x = 81,796.05

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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.