Home / 149,460.85-206,254.61-82,392.85

Finding the Fourth Proportional to 149,460.85, 206,254.61 and 82,392.85

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Solution

The fourth proportional to 149,460.85, 206,254.61 and 82,392.85 is: 113,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,460.85 : 206,254.61 = 82,392.85 : x
  2. Step 2: Convert to fraction form
    149,460.85/206,254.61 = 82,392.85/x
  3. Step 3: Cross multiply
    149,460.85x = 206,254.61 × 82,392.85
  4. Step 4: Simplify right side
    149,460.85x = 16,993,904,318.25
  5. Step 5: Solve for x
    x = 16,993,904,318.25/149,460.85
  6. Step 6: Final answer
    x = 113,701.38

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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.