Home / 179,479.20-269,216.40-54,820.80

Finding the Fourth Proportional to 179,479.20, 269,216.40 and 54,820.80

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Solution

The fourth proportional to 179,479.20, 269,216.40 and 54,820.80 is: 82,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,479.20 : 269,216.40 = 54,820.80 : x
  2. Step 2: Convert to fraction form
    179,479.20/269,216.40 = 54,820.80/x
  3. Step 3: Cross multiply
    179,479.20x = 269,216.40 × 54,820.80
  4. Step 4: Simplify right side
    179,479.20x = 14,758,658,421.12
  5. Step 5: Solve for x
    x = 14,758,658,421.12/179,479.20
  6. Step 6: Final answer
    x = 82,230.47

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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.