Home / 119,742.60-165,245.94-66,029.52

Finding the Fourth Proportional to 119,742.60, 165,245.94 and 66,029.52

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Solution

The fourth proportional to 119,742.60, 165,245.94 and 66,029.52 is: 91,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,742.60 : 165,245.94 = 66,029.52 : x
  2. Step 2: Convert to fraction form
    119,742.60/165,245.94 = 66,029.52/x
  3. Step 3: Cross multiply
    119,742.60x = 165,245.94 × 66,029.52
  4. Step 4: Simplify right side
    119,742.60x = 10,911,110,100.15
  5. Step 5: Solve for x
    x = 10,911,110,100.15/119,742.60
  6. Step 6: Final answer
    x = 91,121.37

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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.