Home / 171,455.94-257,205.78-53,134.38

Finding the Fourth Proportional to 171,455.94, 257,205.78 and 53,134.38

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Solution

The fourth proportional to 171,455.94, 257,205.78 and 53,134.38 is: 79,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,455.94 : 257,205.78 = 53,134.38 : x
  2. Step 2: Convert to fraction form
    171,455.94/257,205.78 = 53,134.38/x
  3. Step 3: Cross multiply
    171,455.94x = 257,205.78 × 53,134.38
  4. Step 4: Simplify right side
    171,455.94x = 13,666,469,652.72
  5. Step 5: Solve for x
    x = 13,666,469,652.72/171,455.94
  6. Step 6: Final answer
    x = 79,708.35

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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.