Home / 179,735.04-269,660.16-86,247.36

Finding the Fourth Proportional to 179,735.04, 269,660.16 and 86,247.36

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Solution

The fourth proportional to 179,735.04, 269,660.16 and 86,247.36 is: 129,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,735.04 : 269,660.16 = 86,247.36 : x
  2. Step 2: Convert to fraction form
    179,735.04/269,660.16 = 86,247.36/x
  3. Step 3: Cross multiply
    179,735.04x = 269,660.16 × 86,247.36
  4. Step 4: Simplify right side
    179,735.04x = 23,257,476,897.18
  5. Step 5: Solve for x
    x = 23,257,476,897.18/179,735.04
  6. Step 6: Final answer
    x = 129,398.68

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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.