Home / 112,191.03-168,157.35-45,558

Finding the Fourth Proportional to 112,191.03, 168,157.35 and 45,558

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Solution

The fourth proportional to 112,191.03, 168,157.35 and 45,558 is: 68,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,191.03 : 168,157.35 = 45,558 : x
  2. Step 2: Convert to fraction form
    112,191.03/168,157.35 = 45,558/x
  3. Step 3: Cross multiply
    112,191.03x = 168,157.35 × 45,558
  4. Step 4: Simplify right side
    112,191.03x = 7,660,912,551.30
  5. Step 5: Solve for x
    x = 7,660,912,551.30/112,191.03
  6. Step 6: Final answer
    x = 68,284.54

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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.