Home / 119,273.88-164,589.66-65,557.56

Finding the Fourth Proportional to 119,273.88, 164,589.66 and 65,557.56

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Solution

The fourth proportional to 119,273.88, 164,589.66 and 65,557.56 is: 90,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,273.88 : 164,589.66 = 65,557.56 : x
  2. Step 2: Convert to fraction form
    119,273.88/164,589.66 = 65,557.56/x
  3. Step 3: Cross multiply
    119,273.88x = 164,589.66 × 65,557.56
  4. Step 4: Simplify right side
    119,273.88x = 10,790,096,510.83
  5. Step 5: Solve for x
    x = 10,790,096,510.83/119,273.88
  6. Step 6: Final answer
    x = 90,464.87

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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.