Home / 143,654.22-215,508.33-43,823.34

Finding the Fourth Proportional to 143,654.22, 215,508.33 and 43,823.34

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Solution

The fourth proportional to 143,654.22, 215,508.33 and 43,823.34 is: 65,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,654.22 : 215,508.33 = 43,823.34 : x
  2. Step 2: Convert to fraction form
    143,654.22/215,508.33 = 43,823.34/x
  3. Step 3: Cross multiply
    143,654.22x = 215,508.33 × 43,823.34
  4. Step 4: Simplify right side
    143,654.22x = 9,444,294,818.42
  5. Step 5: Solve for x
    x = 9,444,294,818.42/143,654.22
  6. Step 6: Final answer
    x = 65,743.25

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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.