Home / 120,271.85-165,972.77-66,556.85

Finding the Fourth Proportional to 120,271.85, 165,972.77 and 66,556.85

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Solution

The fourth proportional to 120,271.85, 165,972.77 and 66,556.85 is: 91,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,271.85 : 165,972.77 = 66,556.85 : x
  2. Step 2: Convert to fraction form
    120,271.85/165,972.77 = 66,556.85/x
  3. Step 3: Cross multiply
    120,271.85x = 165,972.77 × 66,556.85
  4. Step 4: Simplify right side
    120,271.85x = 11,046,623,594.33
  5. Step 5: Solve for x
    x = 11,046,623,594.33/120,271.85
  6. Step 6: Final answer
    x = 91,847.13

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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.