Home / 172,972.56-238,696.36-101,351.05

Finding the Fourth Proportional to 172,972.56, 238,696.36 and 101,351.05

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Solution

The fourth proportional to 172,972.56, 238,696.36 and 101,351.05 is: 139,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,972.56 : 238,696.36 = 101,351.05 : x
  2. Step 2: Convert to fraction form
    172,972.56/238,696.36 = 101,351.05/x
  3. Step 3: Cross multiply
    172,972.56x = 238,696.36 × 101,351.05
  4. Step 4: Simplify right side
    172,972.56x = 24,192,125,724.53
  5. Step 5: Solve for x
    x = 24,192,125,724.53/172,972.56
  6. Step 6: Final answer
    x = 139,861.06

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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.