Home / 172,724.24-259,095.60-54,404.80

Finding the Fourth Proportional to 172,724.24, 259,095.60 and 54,404.80

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Solution

The fourth proportional to 172,724.24, 259,095.60 and 54,404.80 is: 81,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,724.24 : 259,095.60 = 54,404.80 : x
  2. Step 2: Convert to fraction form
    172,724.24/259,095.60 = 54,404.80/x
  3. Step 3: Cross multiply
    172,724.24x = 259,095.60 × 54,404.80
  4. Step 4: Simplify right side
    172,724.24x = 14,096,044,298.88
  5. Step 5: Solve for x
    x = 14,096,044,298.88/172,724.24
  6. Step 6: Final answer
    x = 81,610.11

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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.