Home / 209,205.46-288,701.94-113,712.84

Finding the Fourth Proportional to 209,205.46, 288,701.94 and 113,712.84

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Solution

The fourth proportional to 209,205.46, 288,701.94 and 113,712.84 is: 156,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,205.46 : 288,701.94 = 113,712.84 : x
  2. Step 2: Convert to fraction form
    209,205.46/288,701.94 = 113,712.84/x
  3. Step 3: Cross multiply
    209,205.46x = 288,701.94 × 113,712.84
  4. Step 4: Simplify right side
    209,205.46x = 32,829,117,510.91
  5. Step 5: Solve for x
    x = 32,829,117,510.91/209,205.46
  6. Step 6: Final answer
    x = 156,922.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.