Home / 139,288.17-192,217.74-75,627.03

Finding the Fourth Proportional to 139,288.17, 192,217.74 and 75,627.03

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Solution

The fourth proportional to 139,288.17, 192,217.74 and 75,627.03 is: 104,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,288.17 : 192,217.74 = 75,627.03 : x
  2. Step 2: Convert to fraction form
    139,288.17/192,217.74 = 75,627.03/x
  3. Step 3: Cross multiply
    139,288.17x = 192,217.74 × 75,627.03
  4. Step 4: Simplify right side
    139,288.17x = 14,536,856,789.51
  5. Step 5: Solve for x
    x = 14,536,856,789.51/139,288.17
  6. Step 6: Final answer
    x = 104,365.34

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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.