Home / 128,254.98-192,382.46-34,760.72

Finding the Fourth Proportional to 128,254.98, 192,382.46 and 34,760.72

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Solution

The fourth proportional to 128,254.98, 192,382.46 and 34,760.72 is: 52,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,254.98 : 192,382.46 = 34,760.72 : x
  2. Step 2: Convert to fraction form
    128,254.98/192,382.46 = 34,760.72/x
  3. Step 3: Cross multiply
    128,254.98x = 192,382.46 × 34,760.72
  4. Step 4: Simplify right side
    128,254.98x = 6,687,352,824.97
  5. Step 5: Solve for x
    x = 6,687,352,824.97/128,254.98
  6. Step 6: Final answer
    x = 52,141.08

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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.