Home / 132,966.78-199,449.63-54,080.34

Finding the Fourth Proportional to 132,966.78, 199,449.63 and 54,080.34

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Solution

The fourth proportional to 132,966.78, 199,449.63 and 54,080.34 is: 81,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,966.78 : 199,449.63 = 54,080.34 : x
  2. Step 2: Convert to fraction form
    132,966.78/199,449.63 = 54,080.34/x
  3. Step 3: Cross multiply
    132,966.78x = 199,449.63 × 54,080.34
  4. Step 4: Simplify right side
    132,966.78x = 10,786,303,803.27
  5. Step 5: Solve for x
    x = 10,786,303,803.27/132,966.78
  6. Step 6: Final answer
    x = 81,120.29

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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.