Home / 215,719.80-323,579.70-110,743.80

Finding the Fourth Proportional to 215,719.80, 323,579.70 and 110,743.80

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Solution

The fourth proportional to 215,719.80, 323,579.70 and 110,743.80 is: 166,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,719.80 : 323,579.70 = 110,743.80 : x
  2. Step 2: Convert to fraction form
    215,719.80/323,579.70 = 110,743.80/x
  3. Step 3: Cross multiply
    215,719.80x = 323,579.70 × 110,743.80
  4. Step 4: Simplify right side
    215,719.80x = 35,834,445,580.86
  5. Step 5: Solve for x
    x = 35,834,445,580.86/215,719.80
  6. Step 6: Final answer
    x = 166,115.70

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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.