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Finding the Fourth Proportional to 117,324.31, 161,907.04 and 63,609.16

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Solution

The fourth proportional to 117,324.31, 161,907.04 and 63,609.16 is: 87,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,324.31 : 161,907.04 = 63,609.16 : x
  2. Step 2: Convert to fraction form
    117,324.31/161,907.04 = 63,609.16/x
  3. Step 3: Cross multiply
    117,324.31x = 161,907.04 × 63,609.16
  4. Step 4: Simplify right side
    117,324.31x = 10,298,770,812.49
  5. Step 5: Solve for x
    x = 10,298,770,812.49/117,324.31
  6. Step 6: Final answer
    x = 87,780.37

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1.5x scale

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.