Home / 168,453.52-252,663.28-56,121.69

Finding the Fourth Proportional to 168,453.52, 252,663.28 and 56,121.69

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Solution

The fourth proportional to 168,453.52, 252,663.28 and 56,121.69 is: 84,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,453.52 : 252,663.28 = 56,121.69 : x
  2. Step 2: Convert to fraction form
    168,453.52/252,663.28 = 56,121.69/x
  3. Step 3: Cross multiply
    168,453.52x = 252,663.28 × 56,121.69
  4. Step 4: Simplify right side
    168,453.52x = 14,179,890,274.54
  5. Step 5: Solve for x
    x = 14,179,890,274.54/168,453.52
  6. Step 6: Final answer
    x = 84,176.87

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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.