Home / 139,423.32-192,405.24-75,761.37

Finding the Fourth Proportional to 139,423.32, 192,405.24 and 75,761.37

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Solution

The fourth proportional to 139,423.32, 192,405.24 and 75,761.37 is: 104,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,423.32 : 192,405.24 = 75,761.37 : x
  2. Step 2: Convert to fraction form
    139,423.32/192,405.24 = 75,761.37/x
  3. Step 3: Cross multiply
    139,423.32x = 192,405.24 × 75,761.37
  4. Step 4: Simplify right side
    139,423.32x = 14,576,884,577.58
  5. Step 5: Solve for x
    x = 14,576,884,577.58/139,423.32
  6. Step 6: Final answer
    x = 104,551.27

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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.