Home / 112,145.07-168,200.91-45,584.94

Finding the Fourth Proportional to 112,145.07, 168,200.91 and 45,584.94

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Solution

The fourth proportional to 112,145.07, 168,200.91 and 45,584.94 is: 68,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,145.07 : 168,200.91 = 45,584.94 : x
  2. Step 2: Convert to fraction form
    112,145.07/168,200.91 = 45,584.94/x
  3. Step 3: Cross multiply
    112,145.07x = 168,200.91 × 45,584.94
  4. Step 4: Simplify right side
    112,145.07x = 7,667,428,390.30
  5. Step 5: Solve for x
    x = 7,667,428,390.30/112,145.07
  6. Step 6: Final answer
    x = 68,370.62

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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.