Home / 281,746.15-422,688.38-82,068.39

Finding the Fourth Proportional to 281,746.15, 422,688.38 and 82,068.39

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Solution

The fourth proportional to 281,746.15, 422,688.38 and 82,068.39 is: 123,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,746.15 : 422,688.38 = 82,068.39 : x
  2. Step 2: Convert to fraction form
    281,746.15/422,688.38 = 82,068.39/x
  3. Step 3: Cross multiply
    281,746.15x = 422,688.38 × 82,068.39
  4. Step 4: Simplify right side
    281,746.15x = 34,689,354,407.97
  5. Step 5: Solve for x
    x = 34,689,354,407.97/281,746.15
  6. Step 6: Final answer
    x = 123,122.73

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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.