Home / 125,669.23-188,638.15-50,838.30

Finding the Fourth Proportional to 125,669.23, 188,638.15 and 50,838.30

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Solution

The fourth proportional to 125,669.23, 188,638.15 and 50,838.30 is: 76,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,669.23 : 188,638.15 = 50,838.30 : x
  2. Step 2: Convert to fraction form
    125,669.23/188,638.15 = 50,838.30/x
  3. Step 3: Cross multiply
    125,669.23x = 188,638.15 × 50,838.30
  4. Step 4: Simplify right side
    125,669.23x = 9,590,042,861.15
  5. Step 5: Solve for x
    x = 9,590,042,861.15/125,669.23
  6. Step 6: Final answer
    x = 76,311.78

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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.