Home / 132,820.16-199,228.41-79,527.02

Finding the Fourth Proportional to 132,820.16, 199,228.41 and 79,527.02

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Solution

The fourth proportional to 132,820.16, 199,228.41 and 79,527.02 is: 119,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,820.16 : 199,228.41 = 79,527.02 : x
  2. Step 2: Convert to fraction form
    132,820.16/199,228.41 = 79,527.02/x
  3. Step 3: Cross multiply
    132,820.16x = 199,228.41 × 79,527.02
  4. Step 4: Simplify right side
    132,820.16x = 15,844,040,750.50
  5. Step 5: Solve for x
    x = 15,844,040,750.50/132,820.16
  6. Step 6: Final answer
    x = 119,289.43

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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.