Home / 215,861.54-323,793.08-66,101.22

Finding the Fourth Proportional to 215,861.54, 323,793.08 and 66,101.22

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Solution

The fourth proportional to 215,861.54, 323,793.08 and 66,101.22 is: 99,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,861.54 : 323,793.08 = 66,101.22 : x
  2. Step 2: Convert to fraction form
    215,861.54/323,793.08 = 66,101.22/x
  3. Step 3: Cross multiply
    215,861.54x = 323,793.08 × 66,101.22
  4. Step 4: Simplify right side
    215,861.54x = 21,403,118,590.29
  5. Step 5: Solve for x
    x = 21,403,118,590.29/215,861.54
  6. Step 6: Final answer
    x = 99,152.07

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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.