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Finding the Fourth Proportional to 192,453.33, 265,574.88 and 106,407.32

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Solution

The fourth proportional to 192,453.33, 265,574.88 and 106,407.32 is: 146,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,453.33 : 265,574.88 = 106,407.32 : x
  2. Step 2: Convert to fraction form
    192,453.33/265,574.88 = 106,407.32/x
  3. Step 3: Cross multiply
    192,453.33x = 265,574.88 × 106,407.32
  4. Step 4: Simplify right side
    192,453.33x = 28,259,111,904.06
  5. Step 5: Solve for x
    x = 28,259,111,904.06/192,453.33
  6. Step 6: Final answer
    x = 146,836.18

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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.