Home / 281,688.39-422,552.09-113,208.86

Finding the Fourth Proportional to 281,688.39, 422,552.09 and 113,208.86

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Solution

The fourth proportional to 281,688.39, 422,552.09 and 113,208.86 is: 169,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,688.39 : 422,552.09 = 113,208.86 : x
  2. Step 2: Convert to fraction form
    281,688.39/422,552.09 = 113,208.86/x
  3. Step 3: Cross multiply
    281,688.39x = 422,552.09 × 113,208.86
  4. Step 4: Simplify right side
    281,688.39x = 47,836,640,253.39
  5. Step 5: Solve for x
    x = 47,836,640,253.39/281,688.39
  6. Step 6: Final answer
    x = 169,821.13

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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.