Home / 260,036.12-389,976.90-110,274.20

Finding the Fourth Proportional to 260,036.12, 389,976.90 and 110,274.20

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Solution

The fourth proportional to 260,036.12, 389,976.90 and 110,274.20 is: 165,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,036.12 : 389,976.90 = 110,274.20 : x
  2. Step 2: Convert to fraction form
    260,036.12/389,976.90 = 110,274.20/x
  3. Step 3: Cross multiply
    260,036.12x = 389,976.90 × 110,274.20
  4. Step 4: Simplify right side
    260,036.12x = 43,004,390,665.98
  5. Step 5: Solve for x
    x = 43,004,390,665.98/260,036.12
  6. Step 6: Final answer
    x = 165,378.53

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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.