Home / 121,704.20-182,556.30-69,216.20

Finding the Fourth Proportional to 121,704.20, 182,556.30 and 69,216.20

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Solution

The fourth proportional to 121,704.20, 182,556.30 and 69,216.20 is: 103,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,704.20 : 182,556.30 = 69,216.20 : x
  2. Step 2: Convert to fraction form
    121,704.20/182,556.30 = 69,216.20/x
  3. Step 3: Cross multiply
    121,704.20x = 182,556.30 × 69,216.20
  4. Step 4: Simplify right side
    121,704.20x = 12,635,853,372.06
  5. Step 5: Solve for x
    x = 12,635,853,372.06/121,704.20
  6. Step 6: Final answer
    x = 103,824.30

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1.5x scale

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.