Home / 120,304.11-180,354.68-75,832.83

Finding the Fourth Proportional to 120,304.11, 180,354.68 and 75,832.83

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Solution

The fourth proportional to 120,304.11, 180,354.68 and 75,832.83 is: 113,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,304.11 : 180,354.68 = 75,832.83 : x
  2. Step 2: Convert to fraction form
    120,304.11/180,354.68 = 75,832.83/x
  3. Step 3: Cross multiply
    120,304.11x = 180,354.68 × 75,832.83
  4. Step 4: Simplify right side
    120,304.11x = 13,676,805,788.14
  5. Step 5: Solve for x
    x = 13,676,805,788.14/120,304.11
  6. Step 6: Final answer
    x = 113,685.27

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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.