Home / 172,837.32-238,534.74-109,172.04

Finding the Fourth Proportional to 172,837.32, 238,534.74 and 109,172.04

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Solution

The fourth proportional to 172,837.32, 238,534.74 and 109,172.04 is: 150,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,837.32 : 238,534.74 = 109,172.04 : x
  2. Step 2: Convert to fraction form
    172,837.32/238,534.74 = 109,172.04/x
  3. Step 3: Cross multiply
    172,837.32x = 238,534.74 × 109,172.04
  4. Step 4: Simplify right side
    172,837.32x = 26,041,324,176.67
  5. Step 5: Solve for x
    x = 26,041,324,176.67/172,837.32
  6. Step 6: Final answer
    x = 150,669.57

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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.