Home / 90,004.20-134,714.70-63,760.20

Finding the Fourth Proportional to 90,004.20, 134,714.70 and 63,760.20

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Solution

The fourth proportional to 90,004.20, 134,714.70 and 63,760.20 is: 95,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,004.20 : 134,714.70 = 63,760.20 : x
  2. Step 2: Convert to fraction form
    90,004.20/134,714.70 = 63,760.20/x
  3. Step 3: Cross multiply
    90,004.20x = 134,714.70 × 63,760.20
  4. Step 4: Simplify right side
    90,004.20x = 8,589,436,214.94
  5. Step 5: Solve for x
    x = 8,589,436,214.94/90,004.20
  6. Step 6: Final answer
    x = 95,433.73

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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.