Home / 139,336.26-192,285.46-75,675.30

Finding the Fourth Proportional to 139,336.26, 192,285.46 and 75,675.30

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Solution

The fourth proportional to 139,336.26, 192,285.46 and 75,675.30 is: 104,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,336.26 : 192,285.46 = 75,675.30 : x
  2. Step 2: Convert to fraction form
    139,336.26/192,285.46 = 75,675.30/x
  3. Step 3: Cross multiply
    139,336.26x = 192,285.46 × 75,675.30
  4. Step 4: Simplify right side
    139,336.26x = 14,551,259,871.14
  5. Step 5: Solve for x
    x = 14,551,259,871.14/139,336.26
  6. Step 6: Final answer
    x = 104,432.69

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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.