Home / 146,079.85-200,128.44-140,617.30

Finding the Fourth Proportional to 146,079.85, 200,128.44 and 140,617.30

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Solution

The fourth proportional to 146,079.85, 200,128.44 and 140,617.30 is: 192,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,079.85 : 200,128.44 = 140,617.30 : x
  2. Step 2: Convert to fraction form
    146,079.85/200,128.44 = 140,617.30/x
  3. Step 3: Cross multiply
    146,079.85x = 200,128.44 × 140,617.30
  4. Step 4: Simplify right side
    146,079.85x = 28,141,519,182.28
  5. Step 5: Solve for x
    x = 28,141,519,182.28/146,079.85
  6. Step 6: Final answer
    x = 192,644.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.