Home / 259,907.44-389,547.20-126,587.92

Finding the Fourth Proportional to 259,907.44, 389,547.20 and 126,587.92

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Solution

The fourth proportional to 259,907.44, 389,547.20 and 126,587.92 is: 189,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,907.44 : 389,547.20 = 126,587.92 : x
  2. Step 2: Convert to fraction form
    259,907.44/389,547.20 = 126,587.92/x
  3. Step 3: Cross multiply
    259,907.44x = 389,547.20 × 126,587.92
  4. Step 4: Simplify right side
    259,907.44x = 49,311,969,789.82
  5. Step 5: Solve for x
    x = 49,311,969,789.82/259,907.44
  6. Step 6: Final answer
    x = 189,728.97

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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.