Home / 239,704.32-359,576.64-81,943.68

Finding the Fourth Proportional to 239,704.32, 359,576.64 and 81,943.68

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Solution

The fourth proportional to 239,704.32, 359,576.64 and 81,943.68 is: 122,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,704.32 : 359,576.64 = 81,943.68 : x
  2. Step 2: Convert to fraction form
    239,704.32/359,576.64 = 81,943.68/x
  3. Step 3: Cross multiply
    239,704.32x = 359,576.64 × 81,943.68
  4. Step 4: Simplify right side
    239,704.32x = 29,465,033,123.64
  5. Step 5: Solve for x
    x = 29,465,033,123.64/239,704.32
  6. Step 6: Final answer
    x = 122,922.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.