Home / 164,336.20-246,512.40-85,604.20

Finding the Fourth Proportional to 164,336.20, 246,512.40 and 85,604.20

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Solution

The fourth proportional to 164,336.20, 246,512.40 and 85,604.20 is: 128,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,336.20 : 246,512.40 = 85,604.20 : x
  2. Step 2: Convert to fraction form
    164,336.20/246,512.40 = 85,604.20/x
  3. Step 3: Cross multiply
    164,336.20x = 246,512.40 × 85,604.20
  4. Step 4: Simplify right side
    164,336.20x = 21,102,496,792.08
  5. Step 5: Solve for x
    x = 21,102,496,792.08/164,336.20
  6. Step 6: Final answer
    x = 128,410.52

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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.