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Finding the Fourth Proportional to 167,053.96, 230,546.10 and 91,607.32

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Solution

The fourth proportional to 167,053.96, 230,546.10 and 91,607.32 is: 126,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,053.96 : 230,546.10 = 91,607.32 : x
  2. Step 2: Convert to fraction form
    167,053.96/230,546.10 = 91,607.32/x
  3. Step 3: Cross multiply
    167,053.96x = 230,546.10 × 91,607.32
  4. Step 4: Simplify right side
    167,053.96x = 21,119,710,357.45
  5. Step 5: Solve for x
    x = 21,119,710,357.45/167,053.96
  6. Step 6: Final answer
    x = 126,424.48

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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.