Home / 128,380.50-192,523.52-44,116.74

Finding the Fourth Proportional to 128,380.50, 192,523.52 and 44,116.74

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Solution

The fourth proportional to 128,380.50, 192,523.52 and 44,116.74 is: 66,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,380.50 : 192,523.52 = 44,116.74 : x
  2. Step 2: Convert to fraction form
    128,380.50/192,523.52 = 44,116.74/x
  3. Step 3: Cross multiply
    128,380.50x = 192,523.52 × 44,116.74
  4. Step 4: Simplify right side
    128,380.50x = 8,493,510,186.02
  5. Step 5: Solve for x
    x = 8,493,510,186.02/128,380.50
  6. Step 6: Final answer
    x = 66,158.88

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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.