Home / 112,222.92-168,396.34-45,709.86

Finding the Fourth Proportional to 112,222.92, 168,396.34 and 45,709.86

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Solution

The fourth proportional to 112,222.92, 168,396.34 and 45,709.86 is: 68,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,222.92 : 168,396.34 = 45,709.86 : x
  2. Step 2: Convert to fraction form
    112,222.92/168,396.34 = 45,709.86/x
  3. Step 3: Cross multiply
    112,222.92x = 168,396.34 × 45,709.86
  4. Step 4: Simplify right side
    112,222.92x = 7,697,373,125.91
  5. Step 5: Solve for x
    x = 7,697,373,125.91/112,222.92
  6. Step 6: Final answer
    x = 68,590.03

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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.