Home / 119,708.85-165,199.28-65,995.76

Finding the Fourth Proportional to 119,708.85, 165,199.28 and 65,995.76

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Solution

The fourth proportional to 119,708.85, 165,199.28 and 65,995.76 is: 91,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,708.85 : 165,199.28 = 65,995.76 : x
  2. Step 2: Convert to fraction form
    119,708.85/165,199.28 = 65,995.76/x
  3. Step 3: Cross multiply
    119,708.85x = 165,199.28 × 65,995.76
  4. Step 4: Simplify right side
    119,708.85x = 10,902,451,209.06
  5. Step 5: Solve for x
    x = 10,902,451,209.06/119,708.85
  6. Step 6: Final answer
    x = 91,074.73

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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.