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Finding the Fourth Proportional to 129,822.16, 179,162.96 and 73,232.32

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Solution

The fourth proportional to 129,822.16, 179,162.96 and 73,232.32 is: 101,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,822.16 : 179,162.96 = 73,232.32 : x
  2. Step 2: Convert to fraction form
    129,822.16/179,162.96 = 73,232.32/x
  3. Step 3: Cross multiply
    129,822.16x = 179,162.96 × 73,232.32
  4. Step 4: Simplify right side
    129,822.16x = 13,120,519,218.87
  5. Step 5: Solve for x
    x = 13,120,519,218.87/129,822.16
  6. Step 6: Final answer
    x = 101,065.33

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