Home / 156,135.38-234,209.55-45,327.38

Finding the Fourth Proportional to 156,135.38, 234,209.55 and 45,327.38

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Solution

The fourth proportional to 156,135.38, 234,209.55 and 45,327.38 is: 67,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135.38 : 234,209.55 = 45,327.38 : x
  2. Step 2: Convert to fraction form
    156,135.38/234,209.55 = 45,327.38/x
  3. Step 3: Cross multiply
    156,135.38x = 234,209.55 × 45,327.38
  4. Step 4: Simplify right side
    156,135.38x = 10,616,105,045.84
  5. Step 5: Solve for x
    x = 10,616,105,045.84/156,135.38
  6. Step 6: Final answer
    x = 67,992.95

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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.