Home / 139,632.26-192,697.31-75,972.47

Finding the Fourth Proportional to 139,632.26, 192,697.31 and 75,972.47

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Solution

The fourth proportional to 139,632.26, 192,697.31 and 75,972.47 is: 104,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,632.26 : 192,697.31 = 75,972.47 : x
  2. Step 2: Convert to fraction form
    139,632.26/192,697.31 = 75,972.47/x
  3. Step 3: Cross multiply
    139,632.26x = 192,697.31 × 75,972.47
  4. Step 4: Simplify right side
    139,632.26x = 14,639,689,829.50
  5. Step 5: Solve for x
    x = 14,639,689,829.50/139,632.26
  6. Step 6: Final answer
    x = 104,844.61

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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.