Home / 78,162.30-107,863.52-44,181.79

Finding the Fourth Proportional to 78,162.30, 107,863.52 and 44,181.79

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Solution

The fourth proportional to 78,162.30, 107,863.52 and 44,181.79 is: 60,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,162.30 : 107,863.52 = 44,181.79 : x
  2. Step 2: Convert to fraction form
    78,162.30/107,863.52 = 44,181.79/x
  3. Step 3: Cross multiply
    78,162.30x = 107,863.52 × 44,181.79
  4. Step 4: Simplify right side
    78,162.30x = 4,765,602,898.73
  5. Step 5: Solve for x
    x = 4,765,602,898.73/78,162.30
  6. Step 6: Final answer
    x = 60,970.61

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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.