Home / 115,231.10-172,852.11-55,996.20

Finding the Fourth Proportional to 115,231.10, 172,852.11 and 55,996.20

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Solution

The fourth proportional to 115,231.10, 172,852.11 and 55,996.20 is: 83,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,231.10 : 172,852.11 = 55,996.20 : x
  2. Step 2: Convert to fraction form
    115,231.10/172,852.11 = 55,996.20/x
  3. Step 3: Cross multiply
    115,231.10x = 172,852.11 × 55,996.20
  4. Step 4: Simplify right side
    115,231.10x = 9,679,061,321.98
  5. Step 5: Solve for x
    x = 9,679,061,321.98/115,231.10
  6. Step 6: Final answer
    x = 83,996.96

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1.5x scale

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.