Home / 156,394.32-234,965.38-100,344.54

Finding the Fourth Proportional to 156,394.32, 234,965.38 and 100,344.54

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Solution

The fourth proportional to 156,394.32, 234,965.38 and 100,344.54 is: 150,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,394.32 : 234,965.38 = 100,344.54 : x
  2. Step 2: Convert to fraction form
    156,394.32/234,965.38 = 100,344.54/x
  3. Step 3: Cross multiply
    156,394.32x = 234,965.38 × 100,344.54
  4. Step 4: Simplify right side
    156,394.32x = 23,577,492,972.03
  5. Step 5: Solve for x
    x = 23,577,492,972.03/156,394.32
  6. Step 6: Final answer
    x = 150,756.71

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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.