Home / 172,137.04-258,205.55-52,193.76

Finding the Fourth Proportional to 172,137.04, 258,205.55 and 52,193.76

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Solution

The fourth proportional to 172,137.04, 258,205.55 and 52,193.76 is: 78,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,137.04 : 258,205.55 = 52,193.76 : x
  2. Step 2: Convert to fraction form
    172,137.04/258,205.55 = 52,193.76/x
  3. Step 3: Cross multiply
    172,137.04x = 258,205.55 × 52,193.76
  4. Step 4: Simplify right side
    172,137.04x = 13,476,718,507.37
  5. Step 5: Solve for x
    x = 13,476,718,507.37/172,137.04
  6. Step 6: Final answer
    x = 78,290.64

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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.