Home / 189,945.20-284,937.24-65,270

Finding the Fourth Proportional to 189,945.20, 284,937.24 and 65,270

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Solution

The fourth proportional to 189,945.20, 284,937.24 and 65,270 is: 97,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,945.20 : 284,937.24 = 65,270 : x
  2. Step 2: Convert to fraction form
    189,945.20/284,937.24 = 65,270/x
  3. Step 3: Cross multiply
    189,945.20x = 284,937.24 × 65,270
  4. Step 4: Simplify right side
    189,945.20x = 18,597,853,654.80
  5. Step 5: Solve for x
    x = 18,597,853,654.80/189,945.20
  6. Step 6: Final answer
    x = 97,911.68

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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.