Home / 122,975.25-169,676.68-69,249.57

Finding the Fourth Proportional to 122,975.25, 169,676.68 and 69,249.57

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Solution

The fourth proportional to 122,975.25, 169,676.68 and 69,249.57 is: 95,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,975.25 : 169,676.68 = 69,249.57 : x
  2. Step 2: Convert to fraction form
    122,975.25/169,676.68 = 69,249.57/x
  3. Step 3: Cross multiply
    122,975.25x = 169,676.68 × 69,249.57
  4. Step 4: Simplify right side
    122,975.25x = 11,750,037,129.03
  5. Step 5: Solve for x
    x = 11,750,037,129.03/122,975.25
  6. Step 6: Final answer
    x = 95,547.98

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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.