Home / 172,622.10-258,961.06-51,054.96

Finding the Fourth Proportional to 172,622.10, 258,961.06 and 51,054.96

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Solution

The fourth proportional to 172,622.10, 258,961.06 and 51,054.96 is: 76,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,622.10 : 258,961.06 = 51,054.96 : x
  2. Step 2: Convert to fraction form
    172,622.10/258,961.06 = 51,054.96/x
  3. Step 3: Cross multiply
    172,622.10x = 258,961.06 × 51,054.96
  4. Step 4: Simplify right side
    172,622.10x = 13,221,246,559.86
  5. Step 5: Solve for x
    x = 13,221,246,559.86/172,622.10
  6. Step 6: Final answer
    x = 76,590.69

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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.