Home / 392,956.66-589,550.01-126,711.82

Finding the Fourth Proportional to 392,956.66, 589,550.01 and 126,711.82

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Solution

The fourth proportional to 392,956.66, 589,550.01 and 126,711.82 is: 190,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,956.66 : 589,550.01 = 126,711.82 : x
  2. Step 2: Convert to fraction form
    392,956.66/589,550.01 = 126,711.82/x
  3. Step 3: Cross multiply
    392,956.66x = 589,550.01 × 126,711.82
  4. Step 4: Simplify right side
    392,956.66x = 74,702,954,748.12
  5. Step 5: Solve for x
    x = 74,702,954,748.12/392,956.66
  6. Step 6: Final answer
    x = 190,104.82

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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.