Home / 143,184.48-197,620.32-82,746.78

Finding the Fourth Proportional to 143,184.48, 197,620.32 and 82,746.78

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Solution

The fourth proportional to 143,184.48, 197,620.32 and 82,746.78 is: 114,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,184.48 : 197,620.32 = 82,746.78 : x
  2. Step 2: Convert to fraction form
    143,184.48/197,620.32 = 82,746.78/x
  3. Step 3: Cross multiply
    143,184.48x = 197,620.32 × 82,746.78
  4. Step 4: Simplify right side
    143,184.48x = 16,352,445,142.57
  5. Step 5: Solve for x
    x = 16,352,445,142.57/143,184.48
  6. Step 6: Final answer
    x = 114,205.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.