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Finding the Fourth Proportional to 169,804.93, 234,336.07 and 93,322.63

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Solution

The fourth proportional to 169,804.93, 234,336.07 and 93,322.63 is: 128,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,804.93 : 234,336.07 = 93,322.63 : x
  2. Step 2: Convert to fraction form
    169,804.93/234,336.07 = 93,322.63/x
  3. Step 3: Cross multiply
    169,804.93x = 234,336.07 × 93,322.63
  4. Step 4: Simplify right side
    169,804.93x = 21,868,857,537.12
  5. Step 5: Solve for x
    x = 21,868,857,537.12/169,804.93
  6. Step 6: Final answer
    x = 128,788.12

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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.