Home / 119,818.43-165,348.30-66,103.89

Finding the Fourth Proportional to 119,818.43, 165,348.30 and 66,103.89

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Solution

The fourth proportional to 119,818.43, 165,348.30 and 66,103.89 is: 91,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,818.43 : 165,348.30 = 66,103.89 : x
  2. Step 2: Convert to fraction form
    119,818.43/165,348.30 = 66,103.89/x
  3. Step 3: Cross multiply
    119,818.43x = 165,348.30 × 66,103.89
  4. Step 4: Simplify right side
    119,818.43x = 10,930,165,834.89
  5. Step 5: Solve for x
    x = 10,930,165,834.89/119,818.43
  6. Step 6: Final answer
    x = 91,222.74

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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.