Home / 112,157.27-168,267.68-45,645.12

Finding the Fourth Proportional to 112,157.27, 168,267.68 and 45,645.12

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Solution

The fourth proportional to 112,157.27, 168,267.68 and 45,645.12 is: 68,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,157.27 : 168,267.68 = 45,645.12 : x
  2. Step 2: Convert to fraction form
    112,157.27/168,267.68 = 45,645.12/x
  3. Step 3: Cross multiply
    112,157.27x = 168,267.68 × 45,645.12
  4. Step 4: Simplify right side
    112,157.27x = 7,680,598,217.50
  5. Step 5: Solve for x
    x = 7,680,598,217.50/112,157.27
  6. Step 6: Final answer
    x = 68,480.61

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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.