Home / 171,458.94-257,210.28-53,137.38

Finding the Fourth Proportional to 171,458.94, 257,210.28 and 53,137.38

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Solution

The fourth proportional to 171,458.94, 257,210.28 and 53,137.38 is: 79,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,458.94 : 257,210.28 = 53,137.38 : x
  2. Step 2: Convert to fraction form
    171,458.94/257,210.28 = 53,137.38/x
  3. Step 3: Cross multiply
    171,458.94x = 257,210.28 × 53,137.38
  4. Step 4: Simplify right side
    171,458.94x = 13,667,480,388.27
  5. Step 5: Solve for x
    x = 13,667,480,388.27/171,458.94
  6. Step 6: Final answer
    x = 79,712.85

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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.