Home / 102,903.72-154,113.64-50,147.88

Finding the Fourth Proportional to 102,903.72, 154,113.64 and 50,147.88

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Solution

The fourth proportional to 102,903.72, 154,113.64 and 50,147.88 is: 75,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,903.72 : 154,113.64 = 50,147.88 : x
  2. Step 2: Convert to fraction form
    102,903.72/154,113.64 = 50,147.88/x
  3. Step 3: Cross multiply
    102,903.72x = 154,113.64 × 50,147.88
  4. Step 4: Simplify right side
    102,903.72x = 7,728,472,325.08
  5. Step 5: Solve for x
    x = 7,728,472,325.08/102,903.72
  6. Step 6: Final answer
    x = 75,103.92

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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.