Home / 189,654.23-284,522.92-71,325.54

Finding the Fourth Proportional to 189,654.23, 284,522.92 and 71,325.54

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Solution

The fourth proportional to 189,654.23, 284,522.92 and 71,325.54 is: 107,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,654.23 : 284,522.92 = 71,325.54 : x
  2. Step 2: Convert to fraction form
    189,654.23/284,522.92 = 71,325.54/x
  3. Step 3: Cross multiply
    189,654.23x = 284,522.92 × 71,325.54
  4. Step 4: Simplify right side
    189,654.23x = 20,293,750,733.06
  5. Step 5: Solve for x
    x = 20,293,750,733.06/189,654.23
  6. Step 6: Final answer
    x = 107,003.94

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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.