Home / 104,071.52-156,107.68-25,185.62

Finding the Fourth Proportional to 104,071.52, 156,107.68 and 25,185.62

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Solution

The fourth proportional to 104,071.52, 156,107.68 and 25,185.62 is: 37,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,071.52 : 156,107.68 = 25,185.62 : x
  2. Step 2: Convert to fraction form
    104,071.52/156,107.68 = 25,185.62/x
  3. Step 3: Cross multiply
    104,071.52x = 156,107.68 × 25,185.62
  4. Step 4: Simplify right side
    104,071.52x = 3,931,668,707.56
  5. Step 5: Solve for x
    x = 3,931,668,707.56/104,071.52
  6. Step 6: Final answer
    x = 37,778.53

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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.