Home / 172,346.03-258,518.65-82,114.85

Finding the Fourth Proportional to 172,346.03, 258,518.65 and 82,114.85

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Solution

The fourth proportional to 172,346.03, 258,518.65 and 82,114.85 is: 123,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,346.03 : 258,518.65 = 82,114.85 : x
  2. Step 2: Convert to fraction form
    172,346.03/258,518.65 = 82,114.85/x
  3. Step 3: Cross multiply
    172,346.03x = 258,518.65 × 82,114.85
  4. Step 4: Simplify right side
    172,346.03x = 21,228,220,166.95
  5. Step 5: Solve for x
    x = 21,228,220,166.95/172,346.03
  6. Step 6: Final answer
    x = 123,172.09

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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.