Home / 76,800.15-115,200.26-24,213.74

Finding the Fourth Proportional to 76,800.15, 115,200.26 and 24,213.74

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Solution

The fourth proportional to 76,800.15, 115,200.26 and 24,213.74 is: 36,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,800.15 : 115,200.26 = 24,213.74 : x
  2. Step 2: Convert to fraction form
    76,800.15/115,200.26 = 24,213.74/x
  3. Step 3: Cross multiply
    76,800.15x = 115,200.26 × 24,213.74
  4. Step 4: Simplify right side
    76,800.15x = 2,789,428,537.30
  5. Step 5: Solve for x
    x = 2,789,428,537.30/76,800.15
  6. Step 6: Final answer
    x = 36,320.61

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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.