Home / 178,223.20-245,947.98-106,620.07

Finding the Fourth Proportional to 178,223.20, 245,947.98 and 106,620.07

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Solution

The fourth proportional to 178,223.20, 245,947.98 and 106,620.07 is: 147,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,223.20 : 245,947.98 = 106,620.07 : x
  2. Step 2: Convert to fraction form
    178,223.20/245,947.98 = 106,620.07/x
  3. Step 3: Cross multiply
    178,223.20x = 245,947.98 × 106,620.07
  4. Step 4: Simplify right side
    178,223.20x = 26,222,990,843.96
  5. Step 5: Solve for x
    x = 26,222,990,843.96/178,223.20
  6. Step 6: Final answer
    x = 147,135.68

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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.