Home / 146,068.92-219,025.62-86,122.44

Finding the Fourth Proportional to 146,068.92, 219,025.62 and 86,122.44

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Solution

The fourth proportional to 146,068.92, 219,025.62 and 86,122.44 is: 129,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,068.92 : 219,025.62 = 86,122.44 : x
  2. Step 2: Convert to fraction form
    146,068.92/219,025.62 = 86,122.44/x
  3. Step 3: Cross multiply
    146,068.92x = 219,025.62 × 86,122.44
  4. Step 4: Simplify right side
    146,068.92x = 18,863,020,816.91
  5. Step 5: Solve for x
    x = 18,863,020,816.91/146,068.92
  6. Step 6: Final answer
    x = 129,137.81

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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.