Home / 119,910.20-165,486.06-66,200.12

Finding the Fourth Proportional to 119,910.20, 165,486.06 and 66,200.12

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Solution

The fourth proportional to 119,910.20, 165,486.06 and 66,200.12 is: 91,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,910.20 : 165,486.06 = 66,200.12 : x
  2. Step 2: Convert to fraction form
    119,910.20/165,486.06 = 66,200.12/x
  3. Step 3: Cross multiply
    119,910.20x = 165,486.06 × 66,200.12
  4. Step 4: Simplify right side
    119,910.20x = 10,955,197,030.33
  5. Step 5: Solve for x
    x = 10,955,197,030.33/119,910.20
  6. Step 6: Final answer
    x = 91,361.68

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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.