Home / 133,011.64-199,495.86-54,122.68

Finding the Fourth Proportional to 133,011.64, 199,495.86 and 54,122.68

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Solution

The fourth proportional to 133,011.64, 199,495.86 and 54,122.68 is: 81,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,011.64 : 199,495.86 = 54,122.68 : x
  2. Step 2: Convert to fraction form
    133,011.64/199,495.86 = 54,122.68/x
  3. Step 3: Cross multiply
    133,011.64x = 199,495.86 × 54,122.68
  4. Step 4: Simplify right side
    133,011.64x = 10,797,250,592.10
  5. Step 5: Solve for x
    x = 10,797,250,592.10/133,011.64
  6. Step 6: Final answer
    x = 81,175.23

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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.