Home / 203,822.92-305,501.10-79,057

Finding the Fourth Proportional to 203,822.92, 305,501.10 and 79,057

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Solution

The fourth proportional to 203,822.92, 305,501.10 and 79,057 is: 118,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,822.92 : 305,501.10 = 79,057 : x
  2. Step 2: Convert to fraction form
    203,822.92/305,501.10 = 79,057/x
  3. Step 3: Cross multiply
    203,822.92x = 305,501.10 × 79,057
  4. Step 4: Simplify right side
    203,822.92x = 24,152,000,462.70
  5. Step 5: Solve for x
    x = 24,152,000,462.70/203,822.92
  6. Step 6: Final answer
    x = 118,495.02

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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.