Home / 110,631.70-165,928.35-40,474.90

Finding the Fourth Proportional to 110,631.70, 165,928.35 and 40,474.90

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Solution

The fourth proportional to 110,631.70, 165,928.35 and 40,474.90 is: 60,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,631.70 : 165,928.35 = 40,474.90 : x
  2. Step 2: Convert to fraction form
    110,631.70/165,928.35 = 40,474.90/x
  3. Step 3: Cross multiply
    110,631.70x = 165,928.35 × 40,474.90
  4. Step 4: Simplify right side
    110,631.70x = 6,715,933,373.42
  5. Step 5: Solve for x
    x = 6,715,933,373.42/110,631.70
  6. Step 6: Final answer
    x = 60,705.33

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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.