Home / 125,819.89-188,742.94-40,409.17

Finding the Fourth Proportional to 125,819.89, 188,742.94 and 40,409.17

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Solution

The fourth proportional to 125,819.89, 188,742.94 and 40,409.17 is: 60,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,819.89 : 188,742.94 = 40,409.17 : x
  2. Step 2: Convert to fraction form
    125,819.89/188,742.94 = 40,409.17/x
  3. Step 3: Cross multiply
    125,819.89x = 188,742.94 × 40,409.17
  4. Step 4: Simplify right side
    125,819.89x = 7,626,945,548.76
  5. Step 5: Solve for x
    x = 7,626,945,548.76/125,819.89
  6. Step 6: Final answer
    x = 60,617.96

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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.