Home / 132,567.89-198,851.82-109,145.12

Finding the Fourth Proportional to 132,567.89, 198,851.82 and 109,145.12

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Solution

The fourth proportional to 132,567.89, 198,851.82 and 109,145.12 is: 163,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,567.89 : 198,851.82 = 109,145.12 : x
  2. Step 2: Convert to fraction form
    132,567.89/198,851.82 = 109,145.12/x
  3. Step 3: Cross multiply
    132,567.89x = 198,851.82 × 109,145.12
  4. Step 4: Simplify right side
    132,567.89x = 21,703,704,761.86
  5. Step 5: Solve for x
    x = 21,703,704,761.86/132,567.89
  6. Step 6: Final answer
    x = 163,717.67

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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.