Home / 129,735.79-194,589.19-34,975.40

Finding the Fourth Proportional to 129,735.79, 194,589.19 and 34,975.40

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Solution

The fourth proportional to 129,735.79, 194,589.19 and 34,975.40 is: 52,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,735.79 : 194,589.19 = 34,975.40 : x
  2. Step 2: Convert to fraction form
    129,735.79/194,589.19 = 34,975.40/x
  3. Step 3: Cross multiply
    129,735.79x = 194,589.19 × 34,975.40
  4. Step 4: Simplify right side
    129,735.79x = 6,805,835,154.96
  5. Step 5: Solve for x
    x = 6,805,835,154.96/129,735.79
  6. Step 6: Final answer
    x = 52,459.20

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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.