Home / 119,836.43-165,374.15-66,121.44

Finding the Fourth Proportional to 119,836.43, 165,374.15 and 66,121.44

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Solution

The fourth proportional to 119,836.43, 165,374.15 and 66,121.44 is: 91,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,836.43 : 165,374.15 = 66,121.44 : x
  2. Step 2: Convert to fraction form
    119,836.43/165,374.15 = 66,121.44/x
  3. Step 3: Cross multiply
    119,836.43x = 165,374.15 × 66,121.44
  4. Step 4: Simplify right side
    119,836.43x = 10,934,776,606.17
  5. Step 5: Solve for x
    x = 10,934,776,606.17/119,836.43
  6. Step 6: Final answer
    x = 91,247.52

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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.