Home / 132,887.09-199,330.64-54,007.47

Finding the Fourth Proportional to 132,887.09, 199,330.64 and 54,007.47

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Solution

The fourth proportional to 132,887.09, 199,330.64 and 54,007.47 is: 81,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887.09 : 199,330.64 = 54,007.47 : x
  2. Step 2: Convert to fraction form
    132,887.09/199,330.64 = 54,007.47/x
  3. Step 3: Cross multiply
    132,887.09x = 199,330.64 × 54,007.47
  4. Step 4: Simplify right side
    132,887.09x = 10,765,343,289.84
  5. Step 5: Solve for x
    x = 10,765,343,289.84/132,887.09
  6. Step 6: Final answer
    x = 81,011.21

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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.