Home / 115,231.20-172,846.80-108,670.20

Finding the Fourth Proportional to 115,231.20, 172,846.80 and 108,670.20

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Solution

The fourth proportional to 115,231.20, 172,846.80 and 108,670.20 is: 163,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,231.20 : 172,846.80 = 108,670.20 : x
  2. Step 2: Convert to fraction form
    115,231.20/172,846.80 = 108,670.20/x
  3. Step 3: Cross multiply
    115,231.20x = 172,846.80 × 108,670.20
  4. Step 4: Simplify right side
    115,231.20x = 18,783,296,325.36
  5. Step 5: Solve for x
    x = 18,783,296,325.36/115,231.20
  6. Step 6: Final answer
    x = 163,005.30

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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.