Home / 172,227.56-237,643.62-105,181.16

Finding the Fourth Proportional to 172,227.56, 237,643.62 and 105,181.16

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Solution

The fourth proportional to 172,227.56, 237,643.62 and 105,181.16 is: 145,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,227.56 : 237,643.62 = 105,181.16 : x
  2. Step 2: Convert to fraction form
    172,227.56/237,643.62 = 105,181.16/x
  3. Step 3: Cross multiply
    172,227.56x = 237,643.62 × 105,181.16
  4. Step 4: Simplify right side
    172,227.56x = 24,995,631,618.20
  5. Step 5: Solve for x
    x = 24,995,631,618.20/172,227.56
  6. Step 6: Final answer
    x = 145,131.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.