Home / 205,157.60-307,180.32-106,454.24

Finding the Fourth Proportional to 205,157.60, 307,180.32 and 106,454.24

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Solution

The fourth proportional to 205,157.60, 307,180.32 and 106,454.24 is: 159,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,157.60 : 307,180.32 = 106,454.24 : x
  2. Step 2: Convert to fraction form
    205,157.60/307,180.32 = 106,454.24/x
  3. Step 3: Cross multiply
    205,157.60x = 307,180.32 × 106,454.24
  4. Step 4: Simplify right side
    205,157.60x = 32,700,647,508.56
  5. Step 5: Solve for x
    x = 32,700,647,508.56/205,157.60
  6. Step 6: Final answer
    x = 159,392.82

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1.5x scale

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.