Home / 115,095.30-172,615.60-43,991.83

Finding the Fourth Proportional to 115,095.30, 172,615.60 and 43,991.83

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Solution

The fourth proportional to 115,095.30, 172,615.60 and 43,991.83 is: 65,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,095.30 : 172,615.60 = 43,991.83 : x
  2. Step 2: Convert to fraction form
    115,095.30/172,615.60 = 43,991.83/x
  3. Step 3: Cross multiply
    115,095.30x = 172,615.60 × 43,991.83
  4. Step 4: Simplify right side
    115,095.30x = 7,593,676,401.31
  5. Step 5: Solve for x
    x = 7,593,676,401.31/115,095.30
  6. Step 6: Final answer
    x = 65,977.30

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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.