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Finding the Fourth Proportional to 192,159, 265,250.18 and 115,681.66

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Solution

The fourth proportional to 192,159, 265,250.18 and 115,681.66 is: 159,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,159 : 265,250.18 = 115,681.66 : x
  2. Step 2: Convert to fraction form
    192,159/265,250.18 = 115,681.66/x
  3. Step 3: Cross multiply
    192,159x = 265,250.18 × 115,681.66
  4. Step 4: Simplify right side
    192,159x = 30,684,580,763.78
  5. Step 5: Solve for x
    x = 30,684,580,763.78/192,159
  6. Step 6: Final answer
    x = 159,683.29

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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.