Home / 129,966.31-194,968.07-40,016.64

Finding the Fourth Proportional to 129,966.31, 194,968.07 and 40,016.64

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Solution

The fourth proportional to 129,966.31, 194,968.07 and 40,016.64 is: 60,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,966.31 : 194,968.07 = 40,016.64 : x
  2. Step 2: Convert to fraction form
    129,966.31/194,968.07 = 40,016.64/x
  3. Step 3: Cross multiply
    129,966.31x = 194,968.07 × 40,016.64
  4. Step 4: Simplify right side
    129,966.31x = 7,801,966,137.47
  5. Step 5: Solve for x
    x = 7,801,966,137.47/129,966.31
  6. Step 6: Final answer
    x = 60,030.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.