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Finding the Fourth Proportional to 163,458.81, 225,564.75 and 109,736.37

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Solution

The fourth proportional to 163,458.81, 225,564.75 and 109,736.37 is: 151,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,458.81 : 225,564.75 = 109,736.37 : x
  2. Step 2: Convert to fraction form
    163,458.81/225,564.75 = 109,736.37/x
  3. Step 3: Cross multiply
    163,458.81x = 225,564.75 × 109,736.37
  4. Step 4: Simplify right side
    163,458.81x = 24,752,656,864.96
  5. Step 5: Solve for x
    x = 24,752,656,864.96/163,458.81
  6. Step 6: Final answer
    x = 151,430.55

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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.