Home / 119,943.68-165,521.21-66,227.54

Finding the Fourth Proportional to 119,943.68, 165,521.21 and 66,227.54

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Solution

The fourth proportional to 119,943.68, 165,521.21 and 66,227.54 is: 91,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,943.68 : 165,521.21 = 66,227.54 : x
  2. Step 2: Convert to fraction form
    119,943.68/165,521.21 = 66,227.54/x
  3. Step 3: Cross multiply
    119,943.68x = 165,521.21 × 66,227.54
  4. Step 4: Simplify right side
    119,943.68x = 10,962,061,397.38
  5. Step 5: Solve for x
    x = 10,962,061,397.38/119,943.68
  6. Step 6: Final answer
    x = 91,393.41

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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.