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Finding the Fourth Proportional to 169,959.11, 234,550.27 and 93,485.32

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Solution

The fourth proportional to 169,959.11, 234,550.27 and 93,485.32 is: 129,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,959.11 : 234,550.27 = 93,485.32 : x
  2. Step 2: Convert to fraction form
    169,959.11/234,550.27 = 93,485.32/x
  3. Step 3: Cross multiply
    169,959.11x = 234,550.27 × 93,485.32
  4. Step 4: Simplify right side
    169,959.11x = 21,927,007,348.35
  5. Step 5: Solve for x
    x = 21,927,007,348.35/169,959.11
  6. Step 6: Final answer
    x = 129,013.43

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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.