Home / 120,086.14-180,101.82-45,214.18

Finding the Fourth Proportional to 120,086.14, 180,101.82 and 45,214.18

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Solution

The fourth proportional to 120,086.14, 180,101.82 and 45,214.18 is: 67,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,086.14 : 180,101.82 = 45,214.18 : x
  2. Step 2: Convert to fraction form
    120,086.14/180,101.82 = 45,214.18/x
  3. Step 3: Cross multiply
    120,086.14x = 180,101.82 × 45,214.18
  4. Step 4: Simplify right side
    120,086.14x = 8,143,156,107.81
  5. Step 5: Solve for x
    x = 8,143,156,107.81/120,086.14
  6. Step 6: Final answer
    x = 67,810.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.