Home / 171,916.76-257,876.86-51,974.68

Finding the Fourth Proportional to 171,916.76, 257,876.86 and 51,974.68

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Solution

The fourth proportional to 171,916.76, 257,876.86 and 51,974.68 is: 77,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,916.76 : 257,876.86 = 51,974.68 : x
  2. Step 2: Convert to fraction form
    171,916.76/257,876.86 = 51,974.68/x
  3. Step 3: Cross multiply
    171,916.76x = 257,876.86 × 51,974.68
  4. Step 4: Simplify right side
    171,916.76x = 13,403,067,277.90
  5. Step 5: Solve for x
    x = 13,403,067,277.90/171,916.76
  6. Step 6: Final answer
    x = 77,962.54

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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.