Home / 156,135.62-234,209.91-45,327.62

Finding the Fourth Proportional to 156,135.62, 234,209.91 and 45,327.62

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Solution

The fourth proportional to 156,135.62, 234,209.91 and 45,327.62 is: 67,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135.62 : 234,209.91 = 45,327.62 : x
  2. Step 2: Convert to fraction form
    156,135.62/234,209.91 = 45,327.62/x
  3. Step 3: Cross multiply
    156,135.62x = 234,209.91 × 45,327.62
  4. Step 4: Simplify right side
    156,135.62x = 10,616,177,800.71
  5. Step 5: Solve for x
    x = 10,616,177,800.71/156,135.62
  6. Step 6: Final answer
    x = 67,993.31

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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.