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Finding the Fourth Proportional to 182,003.80, 273,005.70 and 128,859.70

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Solution

The fourth proportional to 182,003.80, 273,005.70 and 128,859.70 is: 193,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,003.80 : 273,005.70 = 128,859.70 : x
  2. Step 2: Convert to fraction form
    182,003.80/273,005.70 = 128,859.70/x
  3. Step 3: Cross multiply
    182,003.80x = 273,005.70 × 128,859.70
  4. Step 4: Simplify right side
    182,003.80x = 35,179,432,600.29
  5. Step 5: Solve for x
    x = 35,179,432,600.29/182,003.80
  6. Step 6: Final answer
    x = 193,289.55

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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.