Home / 212,366.48-292,999.78-120,470.62

Finding the Fourth Proportional to 212,366.48, 292,999.78 and 120,470.62

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Solution

The fourth proportional to 212,366.48, 292,999.78 and 120,470.62 is: 166,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,366.48 : 292,999.78 = 120,470.62 : x
  2. Step 2: Convert to fraction form
    212,366.48/292,999.78 = 120,470.62/x
  3. Step 3: Cross multiply
    212,366.48x = 292,999.78 × 120,470.62
  4. Step 4: Simplify right side
    212,366.48x = 35,297,864,299.87
  5. Step 5: Solve for x
    x = 35,297,864,299.87/212,366.48
  6. Step 6: Final answer
    x = 166,212.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.