Home / 213,819.88-320,705.16-56,060.86

Finding the Fourth Proportional to 213,819.88, 320,705.16 and 56,060.86

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Solution

The fourth proportional to 213,819.88, 320,705.16 and 56,060.86 is: 84,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,819.88 : 320,705.16 = 56,060.86 : x
  2. Step 2: Convert to fraction form
    213,819.88/320,705.16 = 56,060.86/x
  3. Step 3: Cross multiply
    213,819.88x = 320,705.16 × 56,060.86
  4. Step 4: Simplify right side
    213,819.88x = 17,979,007,076.04
  5. Step 5: Solve for x
    x = 17,979,007,076.04/213,819.88
  6. Step 6: Final answer
    x = 84,084.82

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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.