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Finding the Fourth Proportional to 119,996.43, 165,590.76 and 66,278.67

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Solution

The fourth proportional to 119,996.43, 165,590.76 and 66,278.67 is: 91,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,996.43 : 165,590.76 = 66,278.67 : x
  2. Step 2: Convert to fraction form
    119,996.43/165,590.76 = 66,278.67/x
  3. Step 3: Cross multiply
    119,996.43x = 165,590.76 × 66,278.67
  4. Step 4: Simplify right side
    119,996.43x = 10,975,135,337.09
  5. Step 5: Solve for x
    x = 10,975,135,337.09/119,996.43
  6. Step 6: Final answer
    x = 91,462.18

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1.5x scale

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.