Home / 119,846.58-165,381.30-66,131.48

Finding the Fourth Proportional to 119,846.58, 165,381.30 and 66,131.48

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Solution

The fourth proportional to 119,846.58, 165,381.30 and 66,131.48 is: 91,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,846.58 : 165,381.30 = 66,131.48 : x
  2. Step 2: Convert to fraction form
    119,846.58/165,381.30 = 66,131.48/x
  3. Step 3: Cross multiply
    119,846.58x = 165,381.30 × 66,131.48
  4. Step 4: Simplify right side
    119,846.58x = 10,936,909,306.42
  5. Step 5: Solve for x
    x = 10,936,909,306.42/119,846.58
  6. Step 6: Final answer
    x = 91,257.58

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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.