Home / 112,206.42-168,164.16-45,568.50

Finding the Fourth Proportional to 112,206.42, 168,164.16 and 45,568.50

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Solution

The fourth proportional to 112,206.42, 168,164.16 and 45,568.50 is: 68,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.42 : 168,164.16 = 45,568.50 : x
  2. Step 2: Convert to fraction form
    112,206.42/168,164.16 = 45,568.50/x
  3. Step 3: Cross multiply
    112,206.42x = 168,164.16 × 45,568.50
  4. Step 4: Simplify right side
    112,206.42x = 7,662,988,524.96
  5. Step 5: Solve for x
    x = 7,662,988,524.96/112,206.42
  6. Step 6: Final answer
    x = 68,293.67

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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.