Home / 172,367.04-258,355.44-87,890.16

Finding the Fourth Proportional to 172,367.04, 258,355.44 and 87,890.16

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Solution

The fourth proportional to 172,367.04, 258,355.44 and 87,890.16 is: 131,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,367.04 : 258,355.44 = 87,890.16 : x
  2. Step 2: Convert to fraction form
    172,367.04/258,355.44 = 87,890.16/x
  3. Step 3: Cross multiply
    172,367.04x = 258,355.44 × 87,890.16
  4. Step 4: Simplify right side
    172,367.04x = 22,706,900,958.47
  5. Step 5: Solve for x
    x = 22,706,900,958.47/172,367.04
  6. Step 6: Final answer
    x = 131,735.75

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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.