Home / 104,723.27-144,518.46-56,976.61

Finding the Fourth Proportional to 104,723.27, 144,518.46 and 56,976.61

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Solution

The fourth proportional to 104,723.27, 144,518.46 and 56,976.61 is: 78,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,723.27 : 144,518.46 = 56,976.61 : x
  2. Step 2: Convert to fraction form
    104,723.27/144,518.46 = 56,976.61/x
  3. Step 3: Cross multiply
    104,723.27x = 144,518.46 × 56,976.61
  4. Step 4: Simplify right side
    104,723.27x = 8,234,171,571.92
  5. Step 5: Solve for x
    x = 8,234,171,571.92/104,723.27
  6. Step 6: Final answer
    x = 78,627.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.