Home / 260,126.92-389,889.18-119,590.60

Finding the Fourth Proportional to 260,126.92, 389,889.18 and 119,590.60

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Solution

The fourth proportional to 260,126.92, 389,889.18 and 119,590.60 is: 179,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,126.92 : 389,889.18 = 119,590.60 : x
  2. Step 2: Convert to fraction form
    260,126.92/389,889.18 = 119,590.60/x
  3. Step 3: Cross multiply
    260,126.92x = 389,889.18 × 119,590.60
  4. Step 4: Simplify right side
    260,126.92x = 46,627,080,969.71
  5. Step 5: Solve for x
    x = 46,627,080,969.71/260,126.92
  6. Step 6: Final answer
    x = 179,247.43

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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.