Home / 178,222.20-245,946.60-106,619.07

Finding the Fourth Proportional to 178,222.20, 245,946.60 and 106,619.07

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Solution

The fourth proportional to 178,222.20, 245,946.60 and 106,619.07 is: 147,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,222.20 : 245,946.60 = 106,619.07 : x
  2. Step 2: Convert to fraction form
    178,222.20/245,946.60 = 106,619.07/x
  3. Step 3: Cross multiply
    178,222.20x = 245,946.60 × 106,619.07
  4. Step 4: Simplify right side
    178,222.20x = 26,222,597,761.66
  5. Step 5: Solve for x
    x = 26,222,597,761.66/178,222.20
  6. Step 6: Final answer
    x = 147,134.30

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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.