Home / 156,459.62-234,689.79-109,920.26

Finding the Fourth Proportional to 156,459.62, 234,689.79 and 109,920.26

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Solution

The fourth proportional to 156,459.62, 234,689.79 and 109,920.26 is: 164,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,459.62 : 234,689.79 = 109,920.26 : x
  2. Step 2: Convert to fraction form
    156,459.62/234,689.79 = 109,920.26/x
  3. Step 3: Cross multiply
    156,459.62x = 234,689.79 × 109,920.26
  4. Step 4: Simplify right side
    156,459.62x = 25,797,162,736.15
  5. Step 5: Solve for x
    x = 25,797,162,736.15/156,459.62
  6. Step 6: Final answer
    x = 164,880.64

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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.