Home / 159,139.36-238,660.16-52,503.60

Finding the Fourth Proportional to 159,139.36, 238,660.16 and 52,503.60

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Solution

The fourth proportional to 159,139.36, 238,660.16 and 52,503.60 is: 78,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,139.36 : 238,660.16 = 52,503.60 : x
  2. Step 2: Convert to fraction form
    159,139.36/238,660.16 = 52,503.60/x
  3. Step 3: Cross multiply
    159,139.36x = 238,660.16 × 52,503.60
  4. Step 4: Simplify right side
    159,139.36x = 12,530,517,576.58
  5. Step 5: Solve for x
    x = 12,530,517,576.58/159,139.36
  6. Step 6: Final answer
    x = 78,739.27

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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.