Home / 130,087.62-195,197.04-51,258.42

Finding the Fourth Proportional to 130,087.62, 195,197.04 and 51,258.42

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Solution

The fourth proportional to 130,087.62, 195,197.04 and 51,258.42 is: 76,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,087.62 : 195,197.04 = 51,258.42 : x
  2. Step 2: Convert to fraction form
    130,087.62/195,197.04 = 51,258.42/x
  3. Step 3: Cross multiply
    130,087.62x = 195,197.04 × 51,258.42
  4. Step 4: Simplify right side
    130,087.62x = 10,005,491,859.08
  5. Step 5: Solve for x
    x = 10,005,491,859.08/130,087.62
  6. Step 6: Final answer
    x = 76,913.48

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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.