Home / 178,899.92-246,905.20-115,422.36

Finding the Fourth Proportional to 178,899.92, 246,905.20 and 115,422.36

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Solution

The fourth proportional to 178,899.92, 246,905.20 and 115,422.36 is: 159,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,899.92 : 246,905.20 = 115,422.36 : x
  2. Step 2: Convert to fraction form
    178,899.92/246,905.20 = 115,422.36/x
  3. Step 3: Cross multiply
    178,899.92x = 246,905.20 × 115,422.36
  4. Step 4: Simplify right side
    178,899.92x = 28,498,380,880.27
  5. Step 5: Solve for x
    x = 28,498,380,880.27/178,899.92
  6. Step 6: Final answer
    x = 159,297.90

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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.