Home / 119,885.43-165,441.08-66,170.42

Finding the Fourth Proportional to 119,885.43, 165,441.08 and 66,170.42

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Solution

The fourth proportional to 119,885.43, 165,441.08 and 66,170.42 is: 91,314.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,885.43 : 165,441.08 = 66,170.42 : x
  2. Step 2: Convert to fraction form
    119,885.43/165,441.08 = 66,170.42/x
  3. Step 3: Cross multiply
    119,885.43x = 165,441.08 × 66,170.42
  4. Step 4: Simplify right side
    119,885.43x = 10,947,305,707.48
  5. Step 5: Solve for x
    x = 10,947,305,707.48/119,885.43
  6. Step 6: Final answer
    x = 91,314.73

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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.