Home / 117,217.31-176,040.46-107,335.82

Finding the Fourth Proportional to 117,217.31, 176,040.46 and 107,335.82

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Solution

The fourth proportional to 117,217.31, 176,040.46 and 107,335.82 is: 161,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,217.31 : 176,040.46 = 107,335.82 : x
  2. Step 2: Convert to fraction form
    117,217.31/176,040.46 = 107,335.82/x
  3. Step 3: Cross multiply
    117,217.31x = 176,040.46 × 107,335.82
  4. Step 4: Simplify right side
    117,217.31x = 18,895,446,381.24
  5. Step 5: Solve for x
    x = 18,895,446,381.24/117,217.31
  6. Step 6: Final answer
    x = 161,200.14

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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.