Home / 125,449.18-188,178.03-45,446.90

Finding the Fourth Proportional to 125,449.18, 188,178.03 and 45,446.90

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Solution

The fourth proportional to 125,449.18, 188,178.03 and 45,446.90 is: 68,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,449.18 : 188,178.03 = 45,446.90 : x
  2. Step 2: Convert to fraction form
    125,449.18/188,178.03 = 45,446.90/x
  3. Step 3: Cross multiply
    125,449.18x = 188,178.03 × 45,446.90
  4. Step 4: Simplify right side
    125,449.18x = 8,552,107,170.72
  5. Step 5: Solve for x
    x = 8,552,107,170.72/125,449.18
  6. Step 6: Final answer
    x = 68,171.89

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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.