Home / 119,824.20-165,356.19-66,109.59

Finding the Fourth Proportional to 119,824.20, 165,356.19 and 66,109.59

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Solution

The fourth proportional to 119,824.20, 165,356.19 and 66,109.59 is: 91,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,824.20 : 165,356.19 = 66,109.59 : x
  2. Step 2: Convert to fraction form
    119,824.20/165,356.19 = 66,109.59/x
  3. Step 3: Cross multiply
    119,824.20x = 165,356.19 × 66,109.59
  4. Step 4: Simplify right side
    119,824.20x = 10,931,629,924.86
  5. Step 5: Solve for x
    x = 10,931,629,924.86/119,824.20
  6. Step 6: Final answer
    x = 91,230.57

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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.