Home / 113,637.84-170,481.38-43,517.16

Finding the Fourth Proportional to 113,637.84, 170,481.38 and 43,517.16

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Solution

The fourth proportional to 113,637.84, 170,481.38 and 43,517.16 is: 65,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,637.84 : 170,481.38 = 43,517.16 : x
  2. Step 2: Convert to fraction form
    113,637.84/170,481.38 = 43,517.16/x
  3. Step 3: Cross multiply
    113,637.84x = 170,481.38 × 43,517.16
  4. Step 4: Simplify right side
    113,637.84x = 7,418,865,272.90
  5. Step 5: Solve for x
    x = 7,418,865,272.90/113,637.84
  6. Step 6: Final answer
    x = 65,285.17

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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.