Home / 156,448.24-215,882.58-96,021.43

Finding the Fourth Proportional to 156,448.24, 215,882.58 and 96,021.43

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Solution

The fourth proportional to 156,448.24, 215,882.58 and 96,021.43 is: 132,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,448.24 : 215,882.58 = 96,021.43 : x
  2. Step 2: Convert to fraction form
    156,448.24/215,882.58 = 96,021.43/x
  3. Step 3: Cross multiply
    156,448.24x = 215,882.58 × 96,021.43
  4. Step 4: Simplify right side
    156,448.24x = 20,729,354,043.69
  5. Step 5: Solve for x
    x = 20,729,354,043.69/156,448.24
  6. Step 6: Final answer
    x = 132,499.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.