Home / 117,161.04-161,674.38-65,474.76

Finding the Fourth Proportional to 117,161.04, 161,674.38 and 65,474.76

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Solution

The fourth proportional to 117,161.04, 161,674.38 and 65,474.76 is: 90,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,161.04 : 161,674.38 = 65,474.76 : x
  2. Step 2: Convert to fraction form
    117,161.04/161,674.38 = 65,474.76/x
  3. Step 3: Cross multiply
    117,161.04x = 161,674.38 × 65,474.76
  4. Step 4: Simplify right side
    117,161.04x = 10,585,591,228.65
  5. Step 5: Solve for x
    x = 10,585,591,228.65/117,161.04
  6. Step 6: Final answer
    x = 90,350.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.