Home / 171,455.20-257,088.83-53,093.68

Finding the Fourth Proportional to 171,455.20, 257,088.83 and 53,093.68

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Solution

The fourth proportional to 171,455.20, 257,088.83 and 53,093.68 is: 79,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,455.20 : 257,088.83 = 53,093.68 : x
  2. Step 2: Convert to fraction form
    171,455.20/257,088.83 = 53,093.68/x
  3. Step 3: Cross multiply
    171,455.20x = 257,088.83 × 53,093.68
  4. Step 4: Simplify right side
    171,455.20x = 13,649,790,918.88
  5. Step 5: Solve for x
    x = 13,649,790,918.88/171,455.20
  6. Step 6: Final answer
    x = 79,611.42

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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.