Home / 68,731.60-102,889.86-62,160.88

Finding the Fourth Proportional to 68,731.60, 102,889.86 and 62,160.88

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Solution

The fourth proportional to 68,731.60, 102,889.86 and 62,160.88 is: 93,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,731.60 : 102,889.86 = 62,160.88 : x
  2. Step 2: Convert to fraction form
    68,731.60/102,889.86 = 62,160.88/x
  3. Step 3: Cross multiply
    68,731.60x = 102,889.86 × 62,160.88
  4. Step 4: Simplify right side
    68,731.60x = 6,395,724,240.68
  5. Step 5: Solve for x
    x = 6,395,724,240.68/68,731.60
  6. Step 6: Final answer
    x = 93,053.62

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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.