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Finding the Fourth Proportional to 192,675.29, 265,886.42 and 106,637.78

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Solution

The fourth proportional to 192,675.29, 265,886.42 and 106,637.78 is: 147,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,675.29 : 265,886.42 = 106,637.78 : x
  2. Step 2: Convert to fraction form
    192,675.29/265,886.42 = 106,637.78/x
  3. Step 3: Cross multiply
    192,675.29x = 265,886.42 × 106,637.78
  4. Step 4: Simplify right side
    192,675.29x = 28,353,537,692.47
  5. Step 5: Solve for x
    x = 28,353,537,692.47/192,675.29
  6. Step 6: Final answer
    x = 147,157.11

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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.