Home / 130,310.92-179,848.41-82,568.74

Finding the Fourth Proportional to 130,310.92, 179,848.41 and 82,568.74

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Solution

The fourth proportional to 130,310.92, 179,848.41 and 82,568.74 is: 113,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,310.92 : 179,848.41 = 82,568.74 : x
  2. Step 2: Convert to fraction form
    130,310.92/179,848.41 = 82,568.74/x
  3. Step 3: Cross multiply
    130,310.92x = 179,848.41 × 82,568.74
  4. Step 4: Simplify right side
    130,310.92x = 14,849,856,604.70
  5. Step 5: Solve for x
    x = 14,849,856,604.70/130,310.92
  6. Step 6: Final answer
    x = 113,957.12

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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.