Home / 146,479.20-219,524.40-76,339.68

Finding the Fourth Proportional to 146,479.20, 219,524.40 and 76,339.68

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Solution

The fourth proportional to 146,479.20, 219,524.40 and 76,339.68 is: 114,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,479.20 : 219,524.40 = 76,339.68 : x
  2. Step 2: Convert to fraction form
    146,479.20/219,524.40 = 76,339.68/x
  3. Step 3: Cross multiply
    146,479.20x = 219,524.40 × 76,339.68
  4. Step 4: Simplify right side
    146,479.20x = 16,758,422,448.19
  5. Step 5: Solve for x
    x = 16,758,422,448.19/146,479.20
  6. Step 6: Final answer
    x = 114,408.21

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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.