Home / 260,879.40-391,226.85-124,086.42

Finding the Fourth Proportional to 260,879.40, 391,226.85 and 124,086.42

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Solution

The fourth proportional to 260,879.40, 391,226.85 and 124,086.42 is: 186,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,879.40 : 391,226.85 = 124,086.42 : x
  2. Step 2: Convert to fraction form
    260,879.40/391,226.85 = 124,086.42/x
  3. Step 3: Cross multiply
    260,879.40x = 391,226.85 × 124,086.42
  4. Step 4: Simplify right side
    260,879.40x = 48,545,939,224.38
  5. Step 5: Solve for x
    x = 48,545,939,224.38/260,879.40
  6. Step 6: Final answer
    x = 186,085.75

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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.