Home / 172,046.20-258,069.30-45,686.20

Finding the Fourth Proportional to 172,046.20, 258,069.30 and 45,686.20

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Solution

The fourth proportional to 172,046.20, 258,069.30 and 45,686.20 is: 68,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,046.20 : 258,069.30 = 45,686.20 : x
  2. Step 2: Convert to fraction form
    172,046.20/258,069.30 = 45,686.20/x
  3. Step 3: Cross multiply
    172,046.20x = 258,069.30 × 45,686.20
  4. Step 4: Simplify right side
    172,046.20x = 11,790,205,653.66
  5. Step 5: Solve for x
    x = 11,790,205,653.66/172,046.20
  6. Step 6: Final answer
    x = 68,529.30

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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.