Home / 209,204.42-288,689.88-113,710.28

Finding the Fourth Proportional to 209,204.42, 288,689.88 and 113,710.28

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Solution

The fourth proportional to 209,204.42, 288,689.88 and 113,710.28 is: 156,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,204.42 : 288,689.88 = 113,710.28 : x
  2. Step 2: Convert to fraction form
    209,204.42/288,689.88 = 113,710.28/x
  3. Step 3: Cross multiply
    209,204.42x = 288,689.88 × 113,710.28
  4. Step 4: Simplify right side
    209,204.42x = 32,827,007,087.97
  5. Step 5: Solve for x
    x = 32,827,007,087.97/209,204.42
  6. Step 6: Final answer
    x = 156,913.54

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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.