Home / 123,286.86-170,137.26-69,572.52

Finding the Fourth Proportional to 123,286.86, 170,137.26 and 69,572.52

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Solution

The fourth proportional to 123,286.86, 170,137.26 and 69,572.52 is: 96,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,286.86 : 170,137.26 = 69,572.52 : x
  2. Step 2: Convert to fraction form
    123,286.86/170,137.26 = 69,572.52/x
  3. Step 3: Cross multiply
    123,286.86x = 170,137.26 × 69,572.52
  4. Step 4: Simplify right side
    123,286.86x = 11,836,877,924.10
  5. Step 5: Solve for x
    x = 11,836,877,924.10/123,286.86
  6. Step 6: Final answer
    x = 96,010.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.