Home / 281,334.25-422,038.43-91,728.04

Finding the Fourth Proportional to 281,334.25, 422,038.43 and 91,728.04

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Solution

The fourth proportional to 281,334.25, 422,038.43 and 91,728.04 is: 137,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,334.25 : 422,038.43 = 91,728.04 : x
  2. Step 2: Convert to fraction form
    281,334.25/422,038.43 = 91,728.04/x
  3. Step 3: Cross multiply
    281,334.25x = 422,038.43 × 91,728.04
  4. Step 4: Simplify right side
    281,334.25x = 38,712,757,988.58
  5. Step 5: Solve for x
    x = 38,712,757,988.58/281,334.25
  6. Step 6: Final answer
    x = 137,604.14

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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.