Home / 139,627.35-192,680.04-75,965.22

Finding the Fourth Proportional to 139,627.35, 192,680.04 and 75,965.22

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Solution

The fourth proportional to 139,627.35, 192,680.04 and 75,965.22 is: 104,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,627.35 : 192,680.04 = 75,965.22 : x
  2. Step 2: Convert to fraction form
    139,627.35/192,680.04 = 75,965.22/x
  3. Step 3: Cross multiply
    139,627.35x = 192,680.04 × 75,965.22
  4. Step 4: Simplify right side
    139,627.35x = 14,636,981,628.21
  5. Step 5: Solve for x
    x = 14,636,981,628.21/139,627.35
  6. Step 6: Final answer
    x = 104,828.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.