Home / 154,296.28-231,428.94-109,508.68

Finding the Fourth Proportional to 154,296.28, 231,428.94 and 109,508.68

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Solution

The fourth proportional to 154,296.28, 231,428.94 and 109,508.68 is: 164,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,296.28 : 231,428.94 = 109,508.68 : x
  2. Step 2: Convert to fraction form
    154,296.28/231,428.94 = 109,508.68/x
  3. Step 3: Cross multiply
    154,296.28x = 231,428.94 × 109,508.68
  4. Step 4: Simplify right side
    154,296.28x = 25,343,477,733.20
  5. Step 5: Solve for x
    x = 25,343,477,733.20/154,296.28
  6. Step 6: Final answer
    x = 164,252.03

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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.