Home / 159,270.68-239,053.84-80,440.26

Finding the Fourth Proportional to 159,270.68, 239,053.84 and 80,440.26

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Solution

The fourth proportional to 159,270.68, 239,053.84 and 80,440.26 is: 120,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,270.68 : 239,053.84 = 80,440.26 : x
  2. Step 2: Convert to fraction form
    159,270.68/239,053.84 = 80,440.26/x
  3. Step 3: Cross multiply
    159,270.68x = 239,053.84 × 80,440.26
  4. Step 4: Simplify right side
    159,270.68x = 19,229,553,043.60
  5. Step 5: Solve for x
    x = 19,229,553,043.60/159,270.68
  6. Step 6: Final answer
    x = 120,735.05

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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.