Home / 281,641.92-422,516.16-113,175.36

Finding the Fourth Proportional to 281,641.92, 422,516.16 and 113,175.36

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Solution

The fourth proportional to 281,641.92, 422,516.16 and 113,175.36 is: 169,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,641.92 : 422,516.16 = 113,175.36 : x
  2. Step 2: Convert to fraction form
    281,641.92/422,516.16 = 113,175.36/x
  3. Step 3: Cross multiply
    281,641.92x = 422,516.16 × 113,175.36
  4. Step 4: Simplify right side
    281,641.92x = 47,818,418,513.82
  5. Step 5: Solve for x
    x = 47,818,418,513.82/281,641.92
  6. Step 6: Final answer
    x = 169,784.45

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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.