Home / 209,204.73-288,708.17-113,717.88

Finding the Fourth Proportional to 209,204.73, 288,708.17 and 113,717.88

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Solution

The fourth proportional to 209,204.73, 288,708.17 and 113,717.88 is: 156,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,204.73 : 288,708.17 = 113,717.88 : x
  2. Step 2: Convert to fraction form
    209,204.73/288,708.17 = 113,717.88/x
  3. Step 3: Cross multiply
    209,204.73x = 288,708.17 × 113,717.88
  4. Step 4: Simplify right side
    209,204.73x = 32,831,280,462.49
  5. Step 5: Solve for x
    x = 32,831,280,462.49/209,204.73
  6. Step 6: Final answer
    x = 156,933.74

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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.