Home / 120,256.25-165,934.91-69,271.07

Finding the Fourth Proportional to 120,256.25, 165,934.91 and 69,271.07

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Solution

The fourth proportional to 120,256.25, 165,934.91 and 69,271.07 is: 95,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,256.25 : 165,934.91 = 69,271.07 : x
  2. Step 2: Convert to fraction form
    120,256.25/165,934.91 = 69,271.07/x
  3. Step 3: Cross multiply
    120,256.25x = 165,934.91 × 69,271.07
  4. Step 4: Simplify right side
    120,256.25x = 11,494,488,109.56
  5. Step 5: Solve for x
    x = 11,494,488,109.56/120,256.25
  6. Step 6: Final answer
    x = 95,583.29

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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.